Names by College
Select first letter of college:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Oakland Community College (MI)
Oakland University
- Adamek, Brady
- Boehm, Kyle
- Brosseau, Michael
- Byrd, Matt
- Carkeek, Kevin
- Denbo, Gary
- Fox, Hayden
- Heidal, Brandon
- Hoffmann, Andrew
- Kirkwood, Don
- Kosnik, Jim
- Kozuch, Josh
- Lee, Jake
- Masching, Bill
- McCatty, Shane
- McClellan, Matt
- Morenko, Brad
- Nierman, Hayden
- Paglino, Joseph
- Palm, Tyler
- Paulson, Jake
- Phillips, Paul (b. 1984)
- Recknagel, Nate
- Sokoll, Adam
- Sterry, Zach
- Swanson, Erick
- Teague, Kyle
- Thomas, Jared
- Viane, David
- Yinger, Chad
Oakton Community College
- Calderone, Jim
- DeYoung, Derek
- McGee, Lenell
- Medina, Julio
- Morales, Alex
- Mustari, Frank
- Nyp, Trevor
- Wabick, Brian
Oberlin College
Occidental College
Ocean County College
Odessa College
- Billingsley, Marvin
- Carlson, Michael
- Chalupa, John
- Chamblee, Jim
- Emiliano, Jamie
- Eusebio, Julio
- Fullerton, Harry
- Garrett, Bryan
- Gomes, Juan
- Hayes, Emanuel
- Johnson, Anthony (b. 1977)
- Kent, Steve
- Larsson, Chase
- Loera, Derek
- Loiselle, Rich
- Nunez, Jakob
- Oldham, Bob
- Ontiveros, Art
- Pageler, Mick
- Roman, Fabian
- Rosa, Viosergy
- Springer, Preston
- Starling, Wardell
- Ward, Corey
- Weibl, Clint
- Winder, Chris
Oglethorpe University
- Appling, Luke
National Baseball Hall of Fame - Barbee, Dave
- Carlyle, Roy
- Cornwell, Matt
- George, Greek
- McCullough, Phil
- Partridge, Jay
- Sarisky, Daniel
- Wingo, Al
Ohio Dominican University
- Anders, Scott
- Cepeda, Benny
- Colegate, Ryan
- Crotty, Conor
- Cummings, Audelle
- Green, Kevin (Outfield)
- Kountis, Jonathan
- Martinez, Luis (b. 1966-03)
- McAninch, Joe
- Otero, William
- Robowski, Ryan
- Rouse, Scott
- Sanchez, Jonathan
- Wilson, Brad (b. 1996)
Ohio State
- Amos, Chad
- Anderson, Drew M.
- Anderson, Jeff
- Angle, Matt
- Apple, Ray
- Arlin, Steve
- Armstrong, Andrew
- Baird, Tim
- Barnwell, Jake
- Bauer, Colton
- Bauserman, Joe
- Beaumont, Matt
- Bonnell, Barry
- Bosiokovic, Jacob
- Bourquin, Ron
- Brinkman, Chuck
- Brock, T.J.
- Buirley, Matt
- Burba, Dave
- Burhenn, Garrett
- Burkhart, Dan
- Campbell, Jim (GM)
- Cannon, Kevan
- Canzone, Dominic
- Carek, Mark
- Cassady, Howard
- Check, Mike
- Cisco, Galen
- Coupet, Isaiah
- Crawford, Pat
- Cunningham, Bill (P)
- Curlis, Connor
- Curtis, Mike
- Dagenhard, John
- Davis, Matt (P)
- Dawson, Ronnie
- Deeds, Doug
- DeLucia, Dan
- Dempsey, Mark
- Dezenzo, Zach
- Dingler, Dillon
- Durant, Mike
- Eckelman, Alex
- Edgin, Josh
- Edwards, Johnny
- Ehrnsberger, Chad
- Eiterman, Tom
- Fathalikhani, David
- Feltner, Ryan
- Fields, Justin
- Frey, Jim
- Fry, Justin
- Fryer, Eric
- Gantt, Tre'
- Geddes, Jim
- Goldberg, Brad
- Goodrum, Kevin
- Granata, Chris
- Grate, Don
- Gretz, Aaron
- Griffey, Craig
- Haberthier, Nate
- Hale, Chad
- Hale, Jake
- Heifferon, Mike
- Heilbrunn, David
- Hisle, Larry
- Hohlmayer, Alice
- Horejsei, Michael
- Howard, Frank
- Hula, Josh
- Hurley, Zach
- Hurst, Don
- Jackson, Jim F.
- Janowicz, Vic
- Jones, Chris (P)
- Jones, Gary L.
- Kaiser, Caden
- Kamiya, Tsutomu
- Kean, Tyler
- Khoury, Tony
- Klee, Ollie
- Klingenbeck, Scott
- Koltak, Michael
- Kremblas, Mike
- Kuchno, John
- Lakins, Travis
- Lewis, Scott (b. 1983)
- Lockwood, Mike
- Long, Jaron
- Lonsway, Seth
- Luebke, Cory
- Madsen, Mike
- Magno, Andrew
- Marsh, Roy
- McCormick, John
- McGee, Frank
- McKinney, Brett
- McNulty, Pat
- Meadows, Scott
- Mesewicz, Mark
- Miller, Jake
- Miller, Russ
- Minch, John
- Montgomery, Troy
- Murphy, Patrick (b. 1997)
- Murray, Shea
- Nagelson, Russ
- Nebraska, David
- Neely, Jack
- Newman, Josh
- Niggemeyer, Jacob
- Nischwitz, Ron
- Noffke, Andy
- Patterson, Jimmy
- Pensiero, Russ
- Pittenger, Pinky
- Pittman, Park
- Porter, Pat
- Reisling, Doc
- Renick, Rick
- Riga, Ryan
- Root, Bayden
- Rucinski, Drew
- Russell, Steel
- Sabanosh, Connor
- Savransky, Moe
- Scherman, Fred
- Schwarber, Tom
- Semall, Paul
- Sergakis, Nick
- Sharp, Bill
- Shuck, J.B.
- Smith, Jud
- Smith, Tim C.
- Snavely, Christian
- Solomon, Greg
- Sparma, Blase
- Sparma, Joe
- Spears, Bob
- Spencer, George
- Stafford, Mike
- Steinbrenner, George
- Stephen, Jedidiah
- Stewart, Brady
- Stewart, Glen
- Stoll, Joe
- Stuart, Johnny
- Sweet, Jonathan
- Swisher, Nick
- Taylor, Jamie
- Thomas, Hank
- Thompson, Eric
- Tirpack, Ken
- Torrence, Devon
- Townsend, Jim
- Trimbur, Brock
- Tully, Tanner
- Turner, Jason
- Washington, Jalen
- Waugh, Jim
- Webb, Lefty
- Weidemaier, Mark
- Wertz, Bill
- Wilkins, Joe
- Wimmers, Alex
- Wollenburg, Doug
- Worley, Bob
- Wright, Rasty
- Youngen, Lois
Ohio University
- Adams, Dave (b. 1967 P)
- Arbinger, Mike
- Barber, Brett
- Barnett, Michael
- Baumholtz, Frank
- Beavers, Alan
- Black, Ty
- Boroski, Stan
- Bova, Chris
- Bredeson, Nick
- Brenly, Bob
- Burden, John
- Butts, Tom
- Camfield, Eric
- Chin, Garrett
- Clark, Mel
- Colletti, Tom
- Corrigan, Cory
- Cozart, Logan
- Crabtree, Ben
- Dean, Kyle (b. 1991)
- DeJesus, Manuel
- Drzayich, Emil
- Eldemire, Gauntlett
- Emody, Taylor
- Engleka, Matt
- Eye, Jake
- Fisher, Tom
- Fox, Adam
- Franko, Kris
- French, Jim
- Gecewich, Adam
- Gessler, Doc
- Gick, Brady
- Graham, Jess
- Gressick, Anthony
- Hannah, Mike
- Harmon, Rob
- Harmon, Terry
- Herbert, Russ
- Hisle, Larry
- Hudik, Matt
- Hunt, Jon
- Ingham, Rex
- Jacobs, Lamar
- Kahler, George
- Keylor, Cory
- Krauss, Marc
- Landenberger, Ken
- LaRiche, Brian (ANN)
- Livchak, Rob
- Longo, Mitch
- Maddox, Robert
- Malinowski, Scott
- McDonough, Kris
- McKinney, Rich
- McMann, Connor
- Mead, Dan
- Miller, Thomas
- Mlicki, Doug
- Morvay, Joe
- Moulton, Jason
- Newton, Ethan
- Nicholson, Larry
- Nossek, Joe
- Novosel, Walt
- Piatt, Wiley
- Rankin, Matt
- Reynolds, J.R.
- Robinson, Bob
- Rock, Joe
- Rodgers, Rob
- Rott, Rudy
- Russell, Adam
- Sabatini, Phil
- Schiml, Tony
- Schmidt, Mike
National Baseball Hall of Fame - Schubmehl, Brian
- See, Andrew
- Shockey, Jason
- Sismondo, Bobby
- Smith, Mindy
- Stage, Tyler
- Stiffler, Matt
- Streich, Seth
- Swisher, Steve
- Thomas, Tim (OF)
- Tobik, Dave
- Trimbur, Brock
- Voshell, Trace
- Wickersham, Dave
- Witt, Derek
- Wren, Bob
- Wright, Roy
- Yakubik, Jerod
- Young, Brian
Ohio Valley University
Ohio Wesleyan
- Busch, Andy
- Corbin, Tim
- Freigau, Howard
- Frentsos, Zach
- Goodhart, Steve
- Grady, Mike
- Hands, Bill
- Jones, Xander
- Marchetti, Dan
- Miller, Jim (b. 1969)
- Missler, Ryan
- Moenter, Curtis
- Moore, Greg (1999-02)
- Rickey, Branch
National Baseball Hall of Fame - Rodgers, Buck
- Roser, Brad
- Schaub, Dave
- Senkowitz, Mark
- Stanton, Kyle
- Tedder, Scott
- Thomas, Charles (b. 1881)
Ohlone College
- Asmus, George
- Bennett, Tom
- Brue, Robbie
- Farrish, Keoki
- Gardner, Joe
- Gleese, Eric
- Hamilton, Jon
- Helenihi, Derek
- Johnson, Zach
- Kalawaia, L.J.
- Kuks, Justin
- Miller, Wayne
- Munoz, Anthony
- Padilla, Roberto
- Perez, Albert
- Ramos, Steven
- Romero, Pierce
- Valdez, Mykanthony
- Zarubin, Jackson
Okaloosa-Walton College
- Baum, David
- Coello, Robert
- Conner, Clayton
- Cruz, Tony
- Czarniecki, Jordan
- Davitt, Michael
- Grogan, John
- Hargreaves, Brad
- Hulett, Jeff
- Hurst, Doug
- Katin, Brendan
- Kelly, Daniel
- Michaels, Jason
- Reynolds, Burt
- Robinson, Jeremy
- Santiago, Hector
- Smith, Ben (2000's)
- Touchstone, Nic
Okanagan College
Okayama Keika University
Oklahoma
- Acker, Dane
- Aiello, Vincenzo
- Aikin, Craig
- Allen, Keegan
- Alo, Jocelyn
- Anderson, Chase
- Anderson, Matt (OKLA)
- Andra, Jeff
- Andritsos, Christifer
- Armstrong, Jack
- Bajenaru, Jeff
- Baker, Aaron
- Ballard, Keach
- Barger, Brock
- Bartlett, Jason
- Bates, Kevin
- Bennett, Jake
- Bennett, Ricky
- Berry, Mike
- Black, Danny
- Blair, Buddy (b. 1981)
- Blair, Elliott
- Bogener, Terry
- Bogle, Bryan
- Bohrofen, Brent
- Bohrofen, Jace
- Bookout, Casey
- Bradley, Archie
- Brewster, Blake
- Brown, Bobby (b. 1974)
- Brown, Cade
- Brown, Casey (b. 1982)
- Brown, Paul
- Brown, Trent (b. 1998)
- Brownell, John
- Bruce, Steven
- Brumley Sr., Mike
- Buckles, Bucky
- Buechele, Garrett
- Burdick, Kevin
- Burgess, Chris
- Burgin, Chris
- Burke, Matt
- Butler, Todd
- Calhoun, Aaron
- Campbell, Scott (b. 1968)
- Capra, Nick
- Carman, Don
- Carmichael, Darby
- Carmichael, Easton
- Carnes, Ethan
- Carpenter, Kolbey
- Carter, Carson
- Castleberry, Kevin
- Casula, Kevin
- Caufield, Chuckie
- Cavalli, Brian
- Cavalli, Cade
- Cherry, Rocky
- Choplick, Adam
- Chowning, Jason
- Christmon, Drew
- Clark, Dera
- Cobb, Marvin
- Cole, Mark
- Collazo, Anthony
- Collins, Sherman
- Connelly, Steve
- Cooke, Justin
- Coolbaugh, Tyler
- Coose, Austin
- Copping, Corey
- Cornejo, Eddie
- Cornett, Mick
- Cosby, Darin
- Coshow, Cale
- Cossins, Tim
- Cox, Darron
- Crooks III, Jimmy
- Crosby, Jerry
- Dabney, Fred
- Daniel, Breydon
- Daniele, Alex
- Daniels, Brock
- Darden, Tony
- Davis, Aljay
- Davis, Kale
- Demco, Brad
- Denney, Kyle
- DeRenzo, Domenic
- Douglas, John (OKLA)
- Doyle, Andrew
- Drumright, Keith
- Duke, Kevin
- Duke, Ryan
- Dunigan, Joe
- Ebright, Chris
- Eddings, Jay
- Eldridge, Brian
- Elliott, Jake
- Ellison, Chris
- Empting, Mike
- Erben, Jeremy
- Estes, Marc
- Evans, Jacob
- Evans, Jason
- Fink, Braidyn
- Fisher, Eddie
- Fisher, Jake
- Flores, Javier
- Foster, Clifton
- Fransz, Jason
- Frazier, George
- Funk, Liz
- Gann, Jamie
- Gardner, Scott (b. 1957)
- Garza, Ralph
- Geary, Geoff
- Gelnar, John
- Gibson, Tyler (b. 1994)
- Glass, Chip
- Godman, Jaret
- Gosse, Mike
- Graham, Peyton
- Gray, Jonathan
- Greusel, Evan
- Grubb, Sean
- Guerra, Steven
- Guiel, Jeff
- Gutierrez, Ricky (b. 3/23/70)
- Gwinn, Tony
- Haggard, Chris (b. 1978)
- Hamilton, Scott
- Hansen, Alec
- Hansen, Austin
- Hardman, Tyler
- Harris, Cade
- Harris, Dakota
- Harrison, Andrew
- Hart, Corey D.
- Harughty, Matthew
- Harvey, Craig
- Hatcher, Mickey
- Hayes, LaFringe
- Hayward, Ray
- Hensley, Mike
- Hermelyn, Anthony
- Hernandez, Bryant
- Hickey, Mike
- Hill, Willy
- Hills, Rich
- Hinz, Bruce
- Hoerman, Jared
- Horton, Cade
- Howard, Chris (C)
- Hubbard, Antwonie
- Hughes, Joseph
- Huslig, Jim
- Inman, Wade
- Irvin, Jake
- Jackson, Danny
- Jakubauskas, Chris
- James, Mac
- Jensen, Michael (b. 1999)
- John, Jordan
- Johnson, Dave B. (b. 1963)
- Johnson, Jamie
- Jordan, Joe
- Kaiser, Kody
- Kaye, Jeff
- Keling, Korey
- Kernek, George
- King, Kevin
- Kish, Greg
- Kitch, Denver
- Kosenski, John
- Krislock, Zak
- Lachmann, Tom
- LaFrancois, Roger
- Lamb, Tommy
- Lashley, Mickey
- Lavender, Bob
- Layton, Les
- Lembeck, Chad
- Leon, Ron
- Lindsly, Brady
- Lockwood, Hunter
- Looper, Aaron
- Lorenzana, Hector
- Lovingier, Kevin
- Magnifico, Damien
- Martinez, Chazz
- Martinez, Renae
- Mathews, Byron
- Matthews, Zack (b. 1999)
- Mayfield, Jack
- McAuliff, Jarod
- McCarter, Jake
- McCurtain, Paul
- McCusker, Carson
- McCutchen, Daniel
- McDaniel, Lindy
- McGinnis, Russ
- McGwire, Max
- McIlraith, Thomas
- Meek, Stan
- Mendenhall, Casey
- Mills, Buster
- Minor, Damon
- Minor, Ryan
- Mitchell, Dale
- Montenegro, Jose
- Morris, Don
- Morton, Carl
- Mottern, Ryan
- Murcer, Bobby
- Neal, Zach
- Neff, Marty
- Neuse, Sheldon
- Newcomer, Breen
- Nipp, Mark
- Norton, Greg
- Oberste, Matt
- Ogle, Tyler
- Okert, Steve
- Olds, Wyatt
- Olsen, Kevin
- Olson, J.B.
- Ortiz, Russ
- Oster, Paul
- Overton, Dillon
- Parese, Billy
- Parish, Jack
- Parker, Paige
- Pascucci, Val
- Patterson, Garrett
- Pearson, Kevin
- Pechek, Wayne
- Pedretti, Joel
- Peters, Steve
- Phillips, Lanny
- Ponder, Elmer
- Ponio, Michael
- Poole, Lauren
- Prater, Levi
- Price, Joe
- Purcey, David
- Purser, Laura
- Raley, Russell
- Ramsey, Lane
- Redman, Mark
- Reza, Aaron
- Rhame, Jacob
- Richards, Garrett
- Richardson, Jim
- Rickey, Ralph
- Roberts, Drake
- Roberts, Mark (b. 1982)
- Robertson, Blake
- Rocha, Michael (b.1988)
- Rodgers, Darrell
- Rogers, Blake
- Rohlinger, Ryan
- Ruebeck, Christian
- Ruebel, Matt
- Rufer, Rudy
- Ruffcorn, Jason
- Russell, John (b. 1961 C)
- Sandlin, David
- Santiago, Mike
- Savage, Will (b. 1984 US)
- Schaefer, Doug
- Schwall, Don
- Scott, Matt
- Seal, Mike
- Seitzer, Cameron
- Seng, Tyson
- Severns, Billy
- Shackelford, Brian
- Shaw, Chris (CAN)
- Sheldon, Ole
- Shirley, Bob
- Shore, Bobby
- Simons, Mitch
- Simpson, Chase
- Simpson, Joe
- Smith, Burch
- Smith, Clint
- Smith, Kevin (b. 1984)
- Snider, Kelly
- Squires, Brett
- Stephenson, Bob
- Sullivan, Glenn
- Sundloff, Colton
- Swindell, Mike
- Taggart, Luke
- Tasin, Rob
- Taylor, Heath
- Terry, Jake
- Thomas, Cody
- Thomas, Gray
- Thompson, Tommy (b. 1957)
- Toal, John
- Todd, Jackson
- Tozier, Pat
- Turnquist, Carson
- Tyler, Kyle
- Van Horn, Ryan
- Vaughn, DeWayne
- Victery, Joe
- VonTungelin, Cory
- Walker, Steele
- Walker, Toby
- Walton, Tim
- Waltrip, Billy
- Ware, Brylie
- Wathan, Derek
- Webb, Braxton
- Weese, Gary
- White, Derrick
- White, Max (b. 1991)
- Whiteman, Tommy
- Whittaker, Jerry
- Wiles, Nathan
- Williams, Jackson
- Willits, Reggie
- Wise, J.T.
- Witt, Bobby
- Wyman, Spencer
- Zaltsman, Stanley
- Zepeda, Jesse
Oklahoma A&M
Oklahoma Agricultural & Mechanical
Oklahoma Baptist
- Ballard, Keach
- Bonesio, Ryan
- Brule, Kyle
- Cash, Todd
- Collazo, Josh
- Dossett, Dusty
- Duncan, William
- Enriquez, Ramon
- Eppenbach, Andrew
- Evans, Patrick
- Faust, Wesley
- Gascon, Adrian
- Gibson, Tyler (b. 1994)
- Gozzo, Jake
- Haddock, Darin
- Harris, P.J.
- Hearn, Taylor
- Hocking, David
- Hoopi-Haslam, Ridge
- Hylander, Spencer
- Kelso, Shane
- McPherson, Carson
- Merkel, A.J.
- Merryweather, Julian
- Messner, Steven
- Mirowski, Richie
- Neighbors, Bob
- Olmeda, Jose
- Page, Matt
- Rhoades, Chad
- Robinson, Dustin
- Schroeder, Alex
- Stewart, Charlie
- Thompson, Nathan
- Vela, Ivan
Oklahoma Christian College
Oklahoma Christian University
- Aiello, Nick
- Burgess, Chris
- Coshow, Cale
- Deck, Ronald
- Erazo, Rafael
- Leonhart, Dave
- Maldonado, Edwin
- Markwardt, Hunter
- Nehls, Dale
- Polston, Alex
- Price, Jared (b. 1995)
- Vaughn, Clint
Oklahoma City University
- Avent, Steve
- Baker, Chris
- Barfield, John
- Bartleski, Philip
- Bates, Danny
- Bernardi, Dalton
- Bibbs, Kennard
- Bleazard, David
- Bohanan, Keith
- Brantley, Rodney
- Brazeal, Spencer
- Bryant, Shawn
- Burns, Kerry
- Camp, Landon
- Carman, Chad
- Casula, Kevin
- Centala, Scott
- Cheppenko, Kevin
- Coletti, Mike
- Crespi, Frank
- Davidson, Walker
- Deal, Cot
- Dehner, Matt
- Delgado, Gabby
- Delgado, Mario
- Delgado, Roberto (b. 1996)
- Delso, Dylan
- Dickert, Reed
- Dionne, Stephane
- Epping, Mike
- Ferrell, Cody
- Figueroa, Miguel (INF)
- Frias, Joe
- Garcia, Rick
- Gay, Curtis
- Gergen, Bob
- Gibson, Monty
- Gledhill, Beau
- Gledhill, Chance
- Goelz, Patrick
- Graves, John
- Gray, Brett
- Gwinn, Tony
- Halbert, Josh
- Hansen, Grant
- Harper, Justin
- Harris, Silas
- Harvey, Ian
- Hendley, Blake
- Hendrickson, Justin
- Himes, Ben
- Horner, Tag
- Houston, Matt
- Imwalle, Matt
- Janisse, Skylar
- Jensen, Chase
- Joynt, Brian
- Kaiser, Kody
- Kitch, Denver
- Lassiter, Nate
- Ledbetter, Ted
- Lee, Mike
- Loudermilk, Darren
- Lytle, Joe
- Maune, Clint
- McGeorge, Aaron
- McLaughlin, Joey (b. 1982)
- Miller, Keith (b. 1963-03)
- Neuman, Gregg
- Norris, Patrick
- Odquist, David
- O'Sullivan, Ryan
- Overstreet, Colby
- Parker, David
- Percosky, Mark
- Phillips, Dane
- Pike, Chris
- Reed, Dalton
- Rittenhouse, Adam
- Rodriguez, Adam
- Rush, Rod
- Sanguinetti, Tony
- Savas, Garry
- Scharff, Tony
- Schroder, Chris
- Schwartz, Blake
- Shanks, E.J.
- Simon, Mark (b. 1995)
- Snow, Anthony
- Solis, Victor
- Sosa, Ruben
- Spain, Bobby
- Tolliver, Ashur
- Twist, Jeff
- Valenti, Jon
- Weaver, Brent (b. 1985)
- Whitworth, Clint
- Wieck, Brad
- Williams, Dustin
- Wilson, Chris D.
- Wilson, Reggie
- Wynne, Jim
Oklahoma State
- Adair, Jerry
- Adkins, Jon
- Aleaziz, Reza
- Allen Jr., Rod
- Arakawa, Tim
- Aylor, Brian
- Bailey, Hunter
- Baker, Scott
- Bando, Sal (Jr)
- Barnes, Ron
- Barragan, Jaime
- Bartolomucci, Tony
- Basso, Brady
- Battenfield, Blake
- Battenfield, Peyton
- Bay, John
- Beauchamp, Jim (b. 1939)
- Bell, Jason
- Belza, Tom
- Benge, Garrett
- Beno, Martin
- Benoit, Charles
- Benz, Jacob
- Billings, Josh (b. 1891)
- Blackmon, Anthony
- Blair, Buddy (b. 1981)
- Blake, Drew
- Blandford, Tyler
- Bludau, Frank
- Bollig, Jake
- Boone, Trevor
- Borland, Tom
- Boulanger, Mike
- Bowman, Colton
- Brandow, Derek
- Bronkey, Jeff
- Brown, Corey
- Brown, Dylan
- Brown, Marcus
- Brown, Neb
- Budde, Ryan
- Buffett, Tyler
- Burchart, Larry
- Burnitz, Jeromy
- Cabbiness, Cade
- Cable, Zach
- Campbell, Justin
- Canizaro, Jay
- Carr, Adam
- Carter, Bryce
- Carver, DeWayne
- Case, Bryan
- Castillo, Benny
- Cates, Zach (b. 1979)
- Cervantes, Manny
- Champoux, Beau
- Cheney, Wyatt
- Clarkson, Matthew
- Cobb, Trey
- Colbert, Justin
- Coplon, Mitch
- Costello, Conor
- Cowley, Tom
- Creager, Mack
- Dabbs, Michael
- Daniel, Mike (b. 1969)
- Daniels, Adam
- Dascenzo, Doug
- Daugherty, Ian
- David, Kevin
- Davis, J.R.
- Davis, Kale
- Day, Mike
- Dean, Greg
- Deason, Chance
- DeSimone, Daniel (OSU)
- Diaz, Carlos F.
- Dilks, Darren
- Dillard, Gordon
- DiPace, Danny
- Doersching, Griffin
- Dolsky, Nick
- Doyle, Danny
- Draper, Breck
- Edwards, Glenn
- Elliott, Jensen
- Encarnacion-Strand, Christian
- Espinal, Sergio
- Etchebarren, Ray
- Evans, Duane
- Evans, Randy
- Fariss, Monty
- Farrell, John
- Fields, Josh
- Fischer, Bryce
- Fish, Zach
- Fleetwood, Tony
- Flores, Luis (b. 1986)
- Folmar, Ryan
- Ford, Shelby
- Forsythe, Neil
- Freeman, Michael
- Friend, Justin
- Fritsche, Josh
- Funk, Christian
- Gagliano, Manny
- Gaiko, Rob
- Gardella, Mike
- Ginther, Mark
- Glover, Koda
- Gobel, Donnie
- Golda, Matthew
- Gore, Bryan
- Gragg, Logan
- Green, Gage
- Green, Gary
- Grinstead, Carl
- Grogan, John
- Gutierrez, Chris
- Haggard, Chris (b. 1978)
- Hague, Matt
- Hartsburg, Steve
- Harvard, Dusty
- Hatch, Thomas
- Hawk, Shane
- Heaney, Andrew
- Hearrean, Cole
- Heasley, Jon
- Heck, Andrew
- Hendry, Brian
- Henneman, Mike
- Hernandez, Bob (C)
- Hernandez, Francisco (b. 2001)
- Hernandez, Michael (b. 1983)
- Hill, Steve (b. 1975)
- Holliday, Josh
- Horlen, Joel
- Hudson, Rex
- Hugo, Sean
- Hursh, Jason
- Incaviglia, Pete
- Ireland, Billy
- Jaramillo, Jason
- Johnson, Dominic
- Johnson, Zach
- Kanwisher, Gary
- Kastelic, Bruce
- Keeling, Thomas
- Kellert, Frank
- Ketcham, Lee Ann
- Kimple, Connor
- Klein, Matt
- Kraft, Brian
- Kranitz, Rick
- Kremers, Cameron
- Krietemeier, Tanner
- Kroon, Matt
- Lambert, Reese
- Langs, Ronte
- LaRue, Carson
- Law, Travis
- Leeper, Ben
- Leiter, Kurt
- Leitner, Ted
- Lienhard, Steve
- Light, Tal
- Linfante, Rob
- Linzy, Frank
- Littell, Jon
- Livingston, Dennis
- Long, Jimmy
- Lopez, Roberto (b. 1971)
- Lorsbach, Michael
- Lucas, Kevin
- Lucca, Lou
- Lucca, Tony
- Lukasiewicz, Mark
- Lyons, Jake
- Lyons, Tyler
- Mach, Tyler
- MacKay, Tripp
- Mangini, Matt
- Marlowe, Chris
- Marsh, Dillon
- Martin, Garrett
- Martin, Hersh
- Martin, James
- Martin, Trevor (b. 2000)
- Mathis, Brock
- Matthews, Lamont
- Matulich, Mario
- Maurer, Dave
- McCain, Garrett
- McClellan, Sean
- McCurdy, Nick
- McCurry, Brendan
- McCurry, Randy
- McKeever, Clinton
- McLean, Nolan
- McNamara, Rusty
- Meccage, Justin
- Medchill, Neil
- Mederos, Victor
- Meola, Aidan
- Mercer, Jordy
- Merrell, Cody
- Merrigan, Josh (b. 1978)
- Mertz, Michael
- Milligan, Cody
- Mlicki, Dave
- Monette, Daylon
- Monsma, Quinn
- Moody, Ritchie
- Morgan, Reid
- Morrill, Hueston
- Mounce, JT
- Navigato, Andrew
- Nelson, Chris (P)
- Nina, Elvin
- Nippert, Merlin
- Oakes, Matt
- Ocasio, Freddie
- Odle, Oliver
- Oliver, Andy
- Ollar, Rick
- Ortiz, Ray
- Osmond, Bryce
- Osteen, Dave
- Overstreet, Colby
- Pastors, Greg
- Patitucci, Mike
- Patterson, Quenten
- Perez, Danny
- Perrin, Jon
- Peterson, Nate (b. 2000)
- Phansalkar, Roman
- Phillips, Dane
- Polcovich, Kaden
- Poole, Mark
- Powell, Paul (b. 1979)
- Price, Joe
- Prodanov, Peter
- Propst, Brad
- Provost, Dayton
- Puffinbarger, Rusty
- Pugh, Tim
- Ramsey, Jimmy
- Reed, Remey
- Reilly, Chris
- Richard, Chris
- Richmond, Scott
- Ridling, Rebel
- Riggio, Roc
- Riley, Trey
- Rivas, Ricardo
- Rivera, Randy
- Rockman, Marv
- Rodgers, Tim
- Rojas, Robie
- Rollandini, David
- Root, Bayden
- Ryal, Rusty
- Salazar, Jeff
- Salinas, Orlando (b. 2000)
- Schmidt, Eric
- Schubart, Nolan
- Scott, Bob
- Scott, Luke
- Scram, Deik
- Shatwell, Kade
- Shines, Devin
- Simon, Keanon
- Simpson, Colin
- Siriveaw, Nom
- Sluder, Ryan
- Smith, Adam (b. 1966)
- Smith, Billy (b. 1963)
- Smith, Matt (b. 1979)
- Spiegel, Josh
- Standlee, Brett
- Stanka, Joe
- Steelmon, Wyley
- Stevens, Chase
- Stone, Mitchell
- Strong, Mike
- Tate, Chuck
- Taylor, Jake (b. 1998)
- Teel, Carson
- Tettleton, Mickey
- Theroux, Collin
- Thompson, Danny
- Thompson, Jake (OF)
- Tipton, Gordon
- Traber, Jim
- Trenkle, Caeden
- Urick, John
- Virgil, Jose
- VonTungelin, Cory
- Wade, Scott
- Wallace, Don
- Wallace, Joe
- Walton, Donnie
- Walton, Rob
- Watkins, Scott
- Watson, Rob
- Watts-Brown, Juaron
- Weaver, Joe
- Webb, Donnie
- Weeden, Brandon
- Weidenaar, Gabe
- Weinhardt, Robbie
- West, Manning
- Wheeland, Vince
- Wheeler, Earl
- Whisler, Randy
- Williams, Dib
- Williams, Garrett
- Williamson, Scott
- Wine, Robbie
- Wright, Ab
- Wright, Brae
- Wright, Ty
- Wrobleski, Justin
Oklahoma Wesleyan University
Old Dominion
- Almonte, Daniel
- Azar, Todd
- Bagnall, Jim
- Bailey, David
- Battle, Kyle
- Bearse, Kevin
- Belcher, Tyler
- Bell, Terry
- Berge, Lou
- Bergh, Ryan
- Brantley, Brian
- Brune, Jim
- Burch, Matt (b. 1997)
- Burney, Joey
- Burok, James
- Carter, Brandon
- Carter, Dexter
- Coe, Keith
- Cogen, Matt
- Cole, Ron
- Dean, Noah
- Detwiler, Jim
- Diaz, Victor (b. 1992)
- Edsell, Geoff
- Elci, Lee
- Eure, Jeff
- Forelli, Anthony
- Friske, Parker
- Garriola, Andy
- Gibbs, Kevin
- Godin, Jason
- Gomes, Wayne
- Gregory, Hunter (b. 1998)
- Gregula, Justin
- Grohs, Mike
- Gsell, Tony
- Gunter, Kevin
- Hald, Kyle
- Hale, Dan
- Hall, Gerard
- Hartman, Nick
- Harvey, Ryan (b. 1979)
- Haumacher, Joe
- Hawkins, Ty
- Hennessy, Sean
- Higgins, P.J.
- Hixon, Alan
- Holiday, Aaron
- Hudson, Daniel
- Hummel, Tim
- Hunt, Riegal
- Hvizda, Jim
- Imes, Rodney
- Koenig, Jared
- Konopki, Mark
- Kowalczyk, Alex
- Krevokuch, Jim
- Lee, Wiley
- Levari, Kenneth
- Lyons, Steve (b. 1971 P)
- McHugh, Mike
- McLaughlin, Denis
- Miller, Barry
- Mitchell, Paul
- Montague, John
- Monteagudo, Harry
- Myers, Connor
- Nichols, Pat
- O'Donnell, T.J.
- O'Reilly, John
- Overton, Connor
- Pasquantino, Vinnie
- Pogue, Jamie
- Quatraro, Matt
- Rauls, Ian
- Reichel, Tom
- Riddleberger, Denny
- Roberts, Andy
- Ross, Brian
- Rutherford, Zach
- Sears, Allen
- Sells, George
- Shawler, Anthony
- Smith, Brandon (b. 1990)
- Smith, Donnie (b. 1983)
- Smith, John E.
- Stock, Erik
- Sutter, Bruce
National Baseball Hall of Fame - Symmonds, Maika
- Thomson, Scotty
- Tomchick, Ben
- Tomchick, Greg
- Trice, Carter
- Urps, Tyler
- Velleggia, Joe
- Verlander, Ben
- Verlander, Justin
- Wagner, David
- Walker, Ron
- Ware, Jeff
- Wasinger, Mark
- West, Tom
- Williams, Ryan (b. 1980)
- Wilson, John (b. 1997)
- Windham, Bryce
- Yarbrough, Ryan
- Young, Jared
- Young, John
Olivet College
Olivet Nazarene University
- Altmann, Josh
- Badorek, Mike
- Batthaver, Bryan
- Campe, Nick
- Heller, Ben
- Hines, Matthew
- McDonald, Ashanti
- Overy, Mike
- Schweitzer, Matt
- Waldrop, Tom
- Zobrist, Ben
Olney Central College
- Britton, Philip
- Dunwoody, Scott
- Eickhoff, Jerad
- Garrett, Shawn
- Glaser, Kris
- Humphrey, Ben
- Patton, Cory (b. 1975)
- Phillips, Randy (b. 1976)
Olympic College
Onondaga Community College
Oral Roberts
- Afenir, Austin
- Aguailar, Brian
- Altamirano, Xavier
- Ausua, Miguel
- Baligod, Nick
- Bartholow, Bud
- Batesole, Mike
- Beeler, Dallas
- Bennett, T.J.
- Bernier, Doug
- Bigley, Dennis
- Bjorkman, George
- Bouchie, Andy
- Bowen, Drew
- Burgess, Kurt
- Burns, Todd
- Casian, Larry
- Casillas, Adam
- Casper, Brett
- Castillo, David
- Chapman, Chance
- Clements, Jason
- Coffey, Isaac
- Colbert, Craig
- Cox, Jonah
- Crichton, Erik
- Culbert, Aurdie
- Cummings, Noah
- Davis, Stockton
- Dean, Mike
- Denton, Cade
- Doherty, Tim
- D'Onofrio, Gary
- Dooley, Chris
- Duffy, Brendan
- Dunlap, Joe
- Eddings, Jeff
- Elder, Chris
- Franklin, Jay (b. 1968)
- Frazier, Harold
- Gann, Bryan
- Genao, David
- Gerk, Jordan
- Glanz, Gavin
- Gonzalez, Chi Chi
- Gonzalez, Marco Eli
- Gor, Nicholas
- Gore, Ricky
- Goro, Nate
- Greenwalt, Danny
- Groth, Ryan
- Grubb, Sean
- Hancock, Matt
- Harvick, Brad
- Heathcock, Jeff
- Hecht, Steve
- Hefner, Jeremy
- Henika, Ron
- Henson, Spencer
- Hill, Mike
- Hogan, Matt
- Hollimon, Michael
- Howe, Bryce
- Irvin, Kyle
- Jarman, Michael
- Jarrett, Sean
- Kahaulelio, Jake
- Kast, Nick
- Kelly, T.J.
- King, Brandon (b. 1990-03)
- Krawczyk, Ray
- Lamontagne, Andre
- Lapoint, Tony
- Leu, Trevor
- Lex, Josh
- Liguori, Lars
- Loftin, Jackson
- Luna, Carlos (b. 1986)
- Macias, Bob
- MacNaught, Colin
- Mansolino, Doug
- Marcon, Dave
- Markert, Jackson
- Marsters, Brandon
- Martinez, Juan (b. 1986)
- Mason, Mike
- McCoy, Tim
- McGregor, Justin
- Meade, Paul
- Mejia, Alfredo
- Meridith, Ron
- Migliaccio, Joe
- Miller, Keith A. (b. 1963-06)
- Moore, Mike
- Mosher, Andy
- Murray, Patrick
- Neill, Ryan
- Nieto, Tom
- O'Brien, John
- Odle, Page
- Petralli, Ben
- Pickar, Bennett
- Pickford, Troy
- Plumley, Grant
- Ramsey, Justin
- Reynolds, Wilton
- Rios, Brian
- Robinson, Brad
- Rodgers, Caleb
- Romano, Jordan
- Rosar, Greg
- Rothford, Chad
- Rotola, Nick
- Saladino, Tyler
- Schiller, Cam
- Schlehuber, Jared
- Schmidt, Pete
- Scoggins, Adam
- Sequeira, Anthony
- Sequeira, P.J.
- Serrano, Mark
- Shambaugh, Mike
- Sheehan, Scott
- Smith, Harrison
- Snypes, Dylan
- Springman, Bill
- Stephens, Amad
- Stephens, Riley
- Stephens, Trey
- Stout, Kyler
- Sullivan, Jerry
- Swift, Hunter
- Thompson, Sam (b. 2000)
- Torres, Tim
- Torve, Kelvin
- Towery, Dane
- Townsend, Grant
- Trevino, Jose
- Van Der Bosch, Matt
- Van Kirk, Brian
- Varnell, Taylor
- Vaughan, Rick
- Ward, Anthony
- Whatley, Matthew
- Wolff, Bryan
- Yobs, Dave
- Younger, Adam
- Zupcic, Bob
Orange Coast College
- Allen, Kyle
- Argomaniz, Manny
- Azze, Justin
- Bass, Brian (b. 1992)
- Beerer, Scott
- Berryhill, Damon
- Blauer, Robert
- Brennan, Brandon
- Ceballos, Chris
- Chadd, Tucker
- Clanton, Matt
- Cline, Matt
- Colarusso, Sam
- Coles, Darnell
- Cordova, Marty
- D'Alessandro, Sal
- Dawson, David
- Dawson, Gary
- Doran, Ryan
- Dotson, Larry
- Douris, J.D.
- Dowdy, Kyle
- Drummond, Cal
- Duggan, Tom
- Ellison, Paul
- Eppenbach, Andrew
- Flading, Cameron
- Garcia, Longo
- Gardner, Jeff
- Garner, Darrin
- Groot, Scott
- Hanoian, Tristan
- Hanson, Ryan
- Hogan, Mike
- Hopkins, Rick
- Iriart, Chris
- Irwin, Tom
- Jabara, Cameron
- Johnston, Chris
- Kelly, Michael (b. 1967)
- Kruger, Jack
- Kwolek, Joe
- Lasch, Tyler
- Licon, Joel
- Makemson, Jay
- McCall, Rod
- McKercher, Tim
- McLeod, Brian
- Misuraca, Mike
- Montgomery, Reg
- Moore, Austin
- Morales, Emilio
- Murphy, Donnie
- Nehrir, Zach
- Nellis, Jeff
- Nelson, Jamie
- Nelson, Rick
- Nemeth, Joe (b. 1959)
- Nettles, Robert
- O'Halloran, Greg
- Pierce, Eddie
- Pollakov, Steven
- Powell, Boog (2010s OF)
- Quisenberry, Dan
- Rademacher, Bijan
- Randel, Ryan
- Reuss, Jason
- Robeniol, Kyle
- Rolland, David
- Sabol, Stefan
- Samuel, Mike
- Sargent, Luke
- Sconiers, Daryl
- Serigstad, Scott
- Shwam, Michael
- Sigler, Brad
- Silver, Landon
- Sliwinski, Kevin
- Spain, Dan
- Stoerck, Scott
- Teel, Robby
- Thompson, Chad
- Toney, Anthony
- Van Blaricom, Mark
- Voss, Bill
- Wagaman, Eric
- Walker, Josh (b. 1996)
- Wallach, Brett
- Woodward, Trent
- Yelich, Collin
- Yuhl, Keegan
Orange County Community College
- August, Sam (b. 1967)
- Lum, Chris
- Pence, Joe
- Semerano, Bob
- Southerland, Chip
- Staton, Dave
- Wright, Beau
Oregon
- Ackerman, Scott
- Acuna, James
- Ahlstrom, Robby
- Altobelli, J.J.
- Anderson, Tyler
- Aroz, Anson
- Ashford, Robby
- Averill Jr., Earl
- Barclay, Curt
- Bartz, Kenny
- Bell, James (b. 1999)
- Bigbee, Carson
- Bigbee, Lyle
- Boer, Madison
- Breault, Hunter
- Ceballos, Sabin
- Chase, Shaun
- Ciuffetelli, Christian
- Clayton, Porter
- Cleavinger, Garrett
- Coleman, Curt
- Crum, Clayton
- Cutting, Garrett
- DeLuca, Jonny
- Dickson, Jim
- Dodd, Tom
- Duncan, Tristan
- Ellis, Scott
- Eshleman, Paul
- Eureste, Matt
- Fisher, Glenn
- Flamion, Billy
- Fox, Howie
- Gagnier, Drew
- Garlick, Kyle
- Goldfarb, Jakob
- Gordon, Joe
National Baseball Hall of Fame - Graham, Josh
- Grebeck, Austin
- Hall, Anthony
- Hambright, Brett
- Hambright, Ryan
- Hanoian, Tristan
- Harber, Conor
- Healy, Ryon
- Heggen, Slade
- Heineman, Scott
- Hellman, Dom
- Helms, Mike
- Houck, Byron
- Housey, Joey
- Hunter, Darrell
- Irvin, Cole
- Jabara, Cameron
- Jones, Christian
- Kafka, Cullen
- Karaviotis, Mark
- Kasevich, Josh
- Kasser, Kyle
- Kelly, Parker
- Keudell, Alex
- Kirsch, Paul
- Koch, Barney
- Krause, Guy
- Krook, Matt
- Kroon, Matt
- Kruger, Jack
- Kuresa, Tyler
- La Tempa, Justin
- Lampard, Keith
- Ley, Terry
- Logan, Gavin
- Maier, Adam
- Marder, Jack
- Matthews, Gabe
- McCullough, Morgan
- McGough, Scott
- Mendenhall, Andrew
- Mercer, Matthew
- Miller, AJ
- Milone, Brennan
- Moen, Kellen
- Nelson, Ryne
- Nogosek, Stephen
- Officer, Jim
- Parrott, Jacob
- Payne, Aaron
- Peterson, Brian (CO)
- Peterson, David (b. 1995)
- Pulfer, J.D.
- Rader, Don
- Reed, Jake
- Reynolds, Don
- Robeniol, Kyle
- Roberts, Dave (INF)
- Sabol, Stefan
- Saltzman, Hal
- Sayles, Bill
- Scanlon, Jack
- Serna, K.C.
- Shade, Colby
- Sherfy, Jimmie
- Slade, Gordon
- Sloan, Caleb
- Smith, Ray
- Smith, Tanner
- Soderman, Ray
- Stavert, Erik
- Steer, Spencer
- Stiles, Dean
- Susnara, Tim
- Tellache, Nico
- Terlecky, Greg
- Thomas, Brett (b. 1992)
- Thornton, Zack
- Thorpe, Tommy
- Tolman, Mitchell
- Tosti, Vinny
- Van Wyck, Jim
- Walker, Thomas
- Warren, Brac
- Whitman, Dick
- Whitmore, Bennett
- Wiper, Cole
- Yovan, Kenyon
- Zavala, Aaron
Oregon Institute of Technology
Oregon State
- Abel, Kevin
- Acosta, Luke
- Anderson, Scott (b. 1955)
- Anderson, Scott (b. 1962)
- Armstrong, Andy
- Aselton, Kyle
- Bailie, Matt
- Barden, Brian
- Barnes, Lute
- Barney, Darwin
- Bazzana, Travis
- Bell, Carter
- Berberet, Parker
- Bertrand, Ben
- Booser, Cam
- Bowen, Ken
- Boyd, Justin
- Boyd, Matt
- Brauning, Jeff
- Brown, Reed
- Brundage, Dave
- Bryant, Tony
- Buck, Dallas
- Burke, Jamie
- Burns, Nathan (b. 1999)
- Button, Gabe
- Canham, Mitch
- Caraway, Trent
- Carter, Josh
- Chamberlain, Christian
- Chamberlain, Tom
- Champion, Jim
- Child, Dan
- Christman, Scott
- Clark, Gabe
- Clark, Geoff (b. 1966)
- Claunch, Troy
- Coleman, Ed
- Conforto, Michael
- Cook, B.R.
- Cope, Hunter
- Creighton, Tom
- Davis, Dylan
- Dernedde, Kyle
- Donahue, Christian
- Donahue, Jordan
- Donovan, Dakota
- Dorman, Rich
- Doyle, Jeff
- Duke, Richard
- Dunn, Ryan (b. 1988)
- Eckert, Travis
- Eisert, Brandon
- Ekstrom, Michael
- Elliott, Glenn
- Ellsbury, Jacoby
- Engelbrekt, Max
- Esposito, Nathan
- Fishback, Mason
- Fogle, Nate
- Forrester, Garret
- Forsch, Bob
- Foster, Darius
- Fox, Mak
- Frisch, Will
- Fry, Jace
- Gambrell, Grant
- Gaviglio, Sam
- Gerber, Joe
- Gillespie, Cole
- Gillette, Joe
- Gits, Mike
- Gorman, Mike
- Gorton, Ryan
- Graham, Tyler
- Grbavac, Mark
- Gregg, Mitch
- Grenier, Cadyn
- Gretler, Mike
- Gunderson, Kevin
- Gunderson, Matt
- Hamilton, Caleb
- Hardtke, Brad
- Harrison, KJ
- Haugen, Troy
- Hayes, Danny
- Hendrix, Jeff
- Hjerpe, Cooper
- Holmes, Ben
- Hooker, Kevin
- Hopkins, Chris
- Howell, Ryan
- Hudson, Will
- Hulstrom, Bryce
- Hunsinger, Alan
- Ice, Logan
- Ingram, Bryan
- Jarvis, Andy
- Jenkins, Andy
- Johnson, Ben (b. 1967)
- Johnson, Don ("Pep")
- Johnson, Lindsey
- Johnson, Thad
- Kamada, Issei (TR)
- Keim, Greg
- Keyes, Kavin
- King, Billy
- Kmatz, Jacob
- Krafve, Keith
- Kunda, Christopher
- Kunz, Eddie
- Kwan, Steven
- Larnach, Trevor
- Lawson, Ian
- Leddon, Charles
- Lennerton, Jordan
- Leovich, John
- Lissman, Mike
- Lyons, Steve (b. 1960 IF)
- Madrigal, Nick
- Mallinak, Mel
- Maple, Howard
- Mathews, Aaron
- Maxwell, Anton
- McFeely, Shea
- McGarry, Alex
- McLaughlin, Joe
- McLemore, Mark (P)
- McNair, Bob
- Meckler, Wade
- Melton, Jacob
- Messman, Joe
- Montgomery, Sam
- Mooney, Bryce
- Moore, Andrew
- Morrison, Trever
- Munich, Billy
- Murphy, Kai
- Neitzel, R.A.
- Nelson, Scott (b. 1983)
- Newell, Mark
- Nickerson, Jonah
- Nygren, James
- Ogata, Jason
- Ortiz, Ryan
- Osich, Josh
- Painton, Tyler
- Paterson, Joe
- Pearce, Dylan
- Peavey, Greg
- Pendley, Nathan
- Percell, Brody
- Peters, Frank
- Philip, Beau
- Pietsch, Seth
- Pine, Chris
- Pomeroy, John
- Post, Jeff
- Postlewait, Jake
- Rasmussen, Drew
- Recuenco, Rob
- Reece, Jeff
- Reed, Tyree
- Renault, Nick
- Reyes, Jorge
- Rhoderick, Kevin
- Rice, Lance
- Robertson, Daniel (2010s OF)
- Robles, Tanner
- Rodriguez, Jake
- Romero, Stefen
- Rowe, Bill
- Rowe, Pete
- Rutschman, Adley
- Salgado, Bryant
- Sanders, Jared
- Sanders, Paul
- Santos, Adalberto
- Schader, Troy
- Scheckla, Roddy
- Schmidt, Dave (b. 1973 C)
- Schulmerich, Wesley
- Schultz, Scott (b. 1991)
- Sellers, Trent
- Sipple, John
- Sitton, Kraig
- Smith, Dick
- Smith, Jeff S.
- Smith, Mason (b. 1972)
- Smith, Tyler (b. 1991 IF)
- Snelling, Allen
- Stutes, Michael
- Susac, Andrew
- Swinburnson, Tyler
- Syverson, Dain
- Taylor, Zak
- Thomas, Todd
- Thompson, Jake (b. 1994 P)
- Thurman, Mike
- Tommasini, John
- Toth, Matt
- Trosky, Jabin
- Turpen, Daniel
- Valero, Cesar
- Verburg, Mitchell
- Wakeland, Chris
- Waldron, Tyler (b. 1989)
- Walling, Andrew
- Warren, Brent
- Washburn, Jack
- Watkins, Chase
- Watts, Brent
- Webber, Levi
- Wilkins, Steve
- Wilson, Jim (INF)
- Wilson, Trevor
- Wong, Joey
Osaka Gakuin
Osaka Keizai
Osaka Sangyo
Osaka Shogyo
- Fukuyama, Hiroyuki
- Kiyokawa, Eiji
- Okawa, Akira
- Saeki, Takahiro
- Saito, Akio
- Tanaka, Masahiro (b. 1954)
- Tani, Yoshitomo
- Tsurumoto, Yuki
- Yamamoto, Seizo
- Yanagihara, Takahiro
Osaka Taiiku
Otero Junior College
Ottawa University (KS)
Otterbein College
- Allen, Jim (b. 1967)
- Crotty, Conor
- Ellis, Taylor
- McDonald, Kirk
- McKee, Jim
- Mercker, Kent
- Meyer, Brian (Tulane)
- O'Neill, Paul
- Remenowsky, Dan
- Sparks, Chris
Ouachita Baptist
- Allen, G
- Brandt, Clayton
- Eller, Connor
- Jackson, Travis
National Baseball Hall of Fame - Lamb, Randy
- Mirizzi, Steven
- Moore, Kolby
- Selph, Carey
- Smith, Steve (b. 1985)
- Tavares, Chris
- Treece, Zac
- Ward, Aaron
- Wright, Mel
Our Lady of the Lake University
Owens Community College
Oxford
Oxnard College
- Berry, Mark
- Butcher, Brok
- Chadwick, Bob
- Eubank, Luke
- Frash, Roger
- Gillaspie, Logan
- Kershaw, Scott
- Komatsu, Erik
- Kurz, Cody
- Laker, Tim
- Leavitt, Curtis
- McAnulty, Paul
- Pluta, Andrew
- Simons, Doug
- Skeels, Andy
- Springston, Adam
- Taylor, Dave
- Tostado, Frankie
- Towers, Josh
- Valdez, Jesus (b. 1992)
- Valencia, Gil
- Vines, Darius
- Waid, Patrick
- Weigel, Patrick
- Whitney, Matt (CA)
- Willard, Jerry
- Wilson, Jack (SS)
- Wood, Johnson
