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Sean O'Sullivan attended Grossmont College
A list of college players with their last name beginning with the selected 2-letters. Very important to note that the list of players are only for players whose highest known level reached is College. College players are almost always NCAA Division I players and any player who graduated to the Minor Leagues or the Major Leagues will be listed in that section. The purpose of this section is mostly for search engines.
Use the SEARCH box on this site or the Google-thing to find a specific player quickly.


Total College Players Listed49,516

Players Main -- Major Leaguers -- Minor Leaguers -- Other Players -- College Baseball Main -- About College Data

College Players starting with 'OS'

Player NamePosHt Wt B-T BornDate Place HiLvlStat YearsMLB YearsDraft Information
Kyle O'SheaP6-1 195 R-L 1991-04-24 Blaine,Minnesota NCAA2011-2013-  
Patrick O'SheaP6-4 170 L-L 1998-- Concord,California NCAA2018-2018-  
Ryan O'SheaP6-3 210 L-L 1994-- South Easton,Massachusetts NCAA2014-2014-  
Casey O'SullivanP6-2 185 R-R 1999-- San Diego,California NCAA2018-2018-  
Kevin O'Sullivan2B-3B5-9 167 R-R 1979-04-14 East Northport,New York NCAA2001-2003-  
Paul O'SullivanC6-3 190 R-R 1993-10-01 San Francisco,California NCAA2017-2017-  
Tim O'SullivanP6-2 160 R-R 1990-- Upper Saddle River,New Jersey NCAA2009-2011-  
Trevor O'SullivanOF5-7 160 L-L 1985-06-14 Reno,Nevada NCAA2006-2008-  
Jeff OsakIF5-9 175 R-R 1994-- Rocky Hill,Connecticut NCAA2013-2014-  
Blake OsbornH   - 1985-- - NCAA2006-2007-  
Drake OsbornC5-10 180 R-R 1998-- Sandia,Texas NCAA2017-2018-  
Eric Osborn2B5-11 180 R-R 1985-02-05 Fishers,Indiana NCAA2004-2007-  
Travis OsbornP6-2 200 R-R 1982-01-27 Adrian,Michigan NCAA2002-2002-  
Brandon OsborneIF6-0 180 R-R 1982-10-12 Trenton,Ohio NCAA2002-2003-  
Chris OsborneOF5-10 175 L-L 1994-03-12 Edmonds,Washington NCAA2016-2017-  
Corey Osborne2B5-7 178 R-R 1987-03-14 Louisville,Kentucky NCAA2007-2007-  
George OsborneP6-2 166 L-L 1998-03-23 Detroit,Michigan NCAA2018-2018-  
Gunner OsborneC6-2 195 R-R 1994-12-16 Lebanon,Tennessee NCAA2014-2015-  
Jake OsborneOF6-2 170 L-L 1995-06-28 Burlington,Ontario NCAA2014-2016-  
Jay OsborneIF6-4 220 R-R 1983-09-29 Beaumont,Texas NCAA2005-2005-  
Parker OsborneOF6-1 205 R-R 1992-09-03 Chandler,Arizona NCAA2012-2015-  
Sean OsborneC5-9 185 R-R 1986-06-14 Lemont,Illinois NCAA2007-2008-  
Wes OsbournP6-1 175 L-L 1984-08-03 Shinnston,West Virginia NCAA2004-2006-  
J.T. OsburnIF-OF6-1 215 R-R 1983-12-31 Warrenton,Virginia NCAA2006-2007-  
Parker OsburnC-UTI5-11 165 R-R 1999-- League City,Texas NCAA2018-2018-  
Player NamePosHt Wt B-T BornDate Place HiLvlStat YearsMLB YearsDraft Information
Mike OsegueraP   R-R 1981-- - NCAA2000-2003-
2002-47-1389-TEX
Chris OsentowskiP6-2 180 R-R 1980-03-11 Dallas,Texas NCAA2000-2003-
2003-30- 884-BAL
Matthew OsetP6-0 215 R-R 1997-- Ocoee,Florida NCAA2016-2018-  
Cory OsetkowskiP6-11 258 R-R 1993-04-30 Rancho Santa Fe,California NCAA2012-2012-  
Greg OsganianOF5-9 155 B-R 1981-- New Lebanon,New York NCAA2000-2003-  
Matthew OsiejaP5-10 185 L-L 1995-- Wyckoff,New Jersey NCAA2014-2017-  
Tyler Osik3B5-10 203 R-R 1996-11-15 Shoreham,New York NCAA2015-2018-
2017-40-1198-PIT
Mark OsisOF6-1 195 L-L 1996-- West Chester,Pennsylvania NCAA2015-2018-  
Michael OskandyP6-3 210 R-R 1987-- Bethel,Connecticut NCAA2006-2010-  
Josh OslinP6-4 175 R-R 1984-06-13 Mora,Minnesota NCAA2004-2007-
2003-28- 838-MIN
Marc OslundP6-5 225 R-R 1990-02-18 Torrance,California NCAA2009-2012-
2008-42-1255-KCA
Alvin OsofskyOF6-0 180 B-R 1954-- - NCAA1974-1975-
1975-22- 515-HOU
Kenneth Ossola3B   R-R - NCAA1971-1973-
1969- 8- 172-NYN
Stephen OstapeckP6-6 200 R-R 1991-09-09 Sacramento,California NCAA2010-2013-  
Ian OstbergIF5-10 185 R-R 1999-- Northampton,Massachusetts NCAA2018-2018-  
Derrick OsteenIF5-9 170 R-R 1988-10-18 Harrisburg,Pennsylvania NCAA2008-2011-  
Stephen OstererP5-9 180 R-R 1987-- Nepean,Ontario NCAA2006-2009-  
Nathan OstermanP5-11 190 R-R 1982-- Friendswood,Texas NCAA2003-2003-  
Nick OstermanP5-10 150 R-R 1989-06-20 Charleston,South Carolina NCAA2008-2012-  
Nate OstmoSS6-3 190 R-R 1997-- Portland,Oregon NCAA2016-2018-  
Greg OstnerP6-3 190 R-R 1993-- New Milford,Connecticut NCAA2012-2015-  
Jeff OstranderP6-0 180 L-L 1984-02-23 Richmond,Virginia NCAA2005-2007-
2003-38-1122-KCA
Mark OstranderOF6-2 205 R-R 1985-11-05 Hopkinton,Massachusetts NCAA2005-2008-  
Jonathan OstroffP6-2 190 L-L 1996-- Slingerlands,New York NCAA2016-2018-  
Ben OstrominskiP-IF5-9 165 L-R 1998-05-12 Austin,Texas NCAA2017-2018-  
Player NamePosHt Wt B-T BornDate Place HiLvlStat YearsMLB YearsDraft Information
Rylan OstroskyP 6-2 210 R-R 1987-03-26 Edmonton,Alberta NCAA2008-2009-
2006-48-1430-TEX
Kyle OstrowskiP6-3 185 L-L 1996-10-01 Tinley Park,Illinois NCAA2017-2018-
2015-34-1025-SEA
Alex OsuchowskiC5-11 180 R-R 1991-- Draper,Utah NCAA2010-2013-  
Nicolas OsunaIF6-1 165 R-R 1994-- Garden Grove,California NCAA2013-2016-  
Evan OswaldIF6-0 160 R-R 1990-09-04 Butler,Pennsylvania NCAA2010-2013-  
Mick OswaldP6-7 220 R-R 1989-- Mineola,New York NCAA2008-2009-  
Stephen OswaldOF6-4 215 L-R 1990-- Richmond,Virginia NCAA2009-2012-