MLB Draft Register - 'OS' Players

List of drafted players with last name starting with OS

Players are often drafted multiple times but will only sign with an MLB organization once out of the draft.
Major Leaguers are in bold.

Helpful Tools: Draft Register data extract (Data Store) ... Draft Research Application (TBC PREMIUM)

Player Listing

Jay O'Shaughnessy ... 1995
Ben O'Shea (2x) ... 2011,2012
Nick O'Shea ... 2011
Ryan O'Shea ... 2008
Shane O'Shea (2x) ... 1981
Barry O'Sullivan ... 1969
Mark O'Sullivan ... 2001
Patrick O'Sullivan ... 1999
Ryan O'Sullivan (2x) ... 2008,2011
Sean O'Sullivan ... 2005
Steve O'Sullivan ... 2002
Tanner Osberg ... 2000
Braden Osbolt ... 2025
Drake Osborn ... 2021
Jason Osborn ... 1998
Josh Osborn ... 1994
Ozzie Osborn ... 1968
Pat Osborn (2x) ... 1999,2002
Pat Osborn (3x) ... 1967,1969
Donovan Osborne (2x) ... 1987,1990
J.D. Osborne ... 2013
J.D. Osborne ... 2017
Jeff Osborne ... 1988
Jim Osborne (2x) ... 1984
Mark Osborne ... 1996
Nick Osborne ... 2018
Paul Osborne ... 1982
Steve Osborne ... 1975
Tyrone Osborne ... 1974
William Osborne ... 1971
Zach Osborne (2x) ... 2008,2010
Zach Osborne ... 2012
Pat Osburn ... 1970
Chris Oscar ... 1990
Jeff Oscarson ... 1970
Fran Oschell ... 2024
Mike Oseguera ... 2002
Paul Oseguera ... 2006
Chris Osentowski ... 2003
Jared Osentowski ... 1991
Richard Osentowski ... 1969
Josh Osich (2x) ... 2010,2011
Stan Osiecki ... 1979
Keith Osik (2x) ... 1987,1990
Steve Osik ... 1988
Tyler Osik (2x) ... 2017,2019
Garret Osilka ... 1996
Brian Osinski ... 1984
Dan Osinski ... 1952
Glenn Osinski (3x) ... 1988,1989,1990
Michael Osinski ... 2017
Ryan Osinski ... 2025
Josh Oslin ... 2003
Marc Oslund ... 2008
Graham Osman ... 2023
Bryce Osmond (2x) ... 2019,2022
Frank Osmulski ... 1979
Alan Osmundson ... 1973
Mitchell Osnowitz ... 2014
Alvin Osofsky ... 1975
Aneury Osoria ... 2012
Franquelis Osoria ... 1999
Yojeiry Osoria ... 2019
Christopher Osorio ... 2019
Felix Osorio ... 2014
Hector Osorio ... 2022
Isaac Osorio ... 2024
Jan Carlos Osorio ... 2019
Javier Osorio ... 2022
Jhonaiker Osorio ... 2017
Kleiver Osorio ... 2017
Luis Osorio ... 2007
Luis Osorio ... 2019
Manuel Osorio ... 2023
Neritzon Osorio ... 2010
Oswaldo Osorio ... 2022
Ricardo Osorio ... 2025
Samuel Osorio ... 1993
Jhosep Ospino ... 2023
Kenneth Ossola ... 1969
Jhonny Osta ... 2025
Erik Ostberg ... 2017
Robin Ostebo ... 1968
Cooper Osteen (2x) ... 2002,2005
Darrell Osteen ... 1962
Dave Osteen (2x) ... 1981,1984
Gavin Osteen ... 1989
Bill Oster ... 1954
Paul Oster ... 1989
Matt Osterberg ... 2021
Daniel Osterbrock ... 2008
Jeff Osterode (2x) ... 1983,1984
Jimmy Osting ... 1995
Ian Ostlund ... 2001
Rich Ostopowicz ... 1987
Luis Ostos ... 2018
Jeff Ostrander (2x) ... 2002,2003
Taylor Ostrich ... 2015
Todd Ostrominski ... 1981
Rylan Ostrosky (2x) ... 2005,2006
Brian Ostrosser ... 1970
Kyle Ostrowski ... 2015
Steve Ostrowski ... 1967
Al Osuna (3x) ... 1985,1987
Alejandro Osuna ... 2020
Antonio Osuna ... 1991
David Osuna ... 2021
Jose Osuna ... 2009
Lenix Osuna ... 2012
Ramon Osuna ... 2016
Renny Osuna ... 2005
Roberto Osuna ... 2011
Steve Oswald (3x) ... 1982,1984
Corey Oswalt ... 2012
Jeff Oswalt ... 1984
Jeff Oswalt (3x) ... 1986,1989
Roy Oswalt ... 1996
Ace Oswel ... 1981