Players: O

450 players

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 Active

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Mike O'Berry
1979 - 1985
Billy O'Brien
1884 - 1890
Bob O'Brien
1971 - 1971
Buck O'Brien
1911 - 1913
Charlie O'Brien
1985 - 2000
Cinders O'Brien
1888 - 1891
Dan O'Brien
1978 - 1979
Darby O'Brien
1887 - 1892
Dink O'Brien
1923 - 1923
Eddie O'Brien
1953 - 1958
George O'Brien
1915 - 1915
Jack O'Brien
1882 - 1890
Jack O'Brien
1899 - 1903
John O'Brien
1884 - 1884
John O'Brien
1891 - 1899
Johnny O'Brien
1953 - 1959
Pete O'Brien
1887 - 1890
Pete O'Brien
1901 - 1907
Pete O'Brien
1982 - 1993
Peter O'Brien
2015 - 2019
Ray O'Brien
1916 - 1916
Riley O'Brien
2021 - Current
Syd O'Brien
1969 - 1972
Tom O'Brien
1882 - 1890
Tom O'Brien
1897 - 1900
Tommy O'Brien
1943 - 1950
Willie O'Bryant
Danny O'Connell
1950 - 1962
Jimmy O'Connell
1923 - 1924
John O'Connell
1891 - 1902
John O'Connell
1928 - 1929
Pat O'Connell
1886 - 1886
Andy O'Connor
1908 - 1908
Brian O'Connor
2000 - 2000
Dan O'Connor
1890 - 1890
Frank O'Connor
1893 - 1893
Jack O'Connor
1887 - 1910
Jack O'Connor
1981 - 1987
Johnny O'Connor
1916 - 1916
Mike O'Connor
2006 - 2011
Paddy O'Connor
1908 - 1918
Darren O'Day
2008 - 2022
Hank O'Day
1884 - 1890
Ken O'Dea
1935 - 1946
Paul O'Dea
1944 - 1945
Billy O'Dell
1954 - 1967
John O'Dell
George O'Donnell
1954 - 1954
Harry O'Donnell
1927 - 1927
John O'Donnell
1884 - 1884
John O'Donoghue
1963 - 1971
John O'Donoghue
1993 - 1993
Lefty O'Doul
1919 - 1934
Bob O'Farrell
1915 - 1935
Orlando O'Farrill
Eric O'Flaherty
2006 - 2017
Brian O'Grady
2019 - 2021
Chris O'Grady
2017 - 2018
Hal O'Hagan
1892 - 1902
Greg O'Halloran
1994 - 1994
Bill O'Hara
1909 - 1910
Kid O'Hara
1904 - 1904
Tom O'Hara
1906 - 1907
Ryan O'Hearn
2018 - Current
Logan O'Hoppe
2022 - Current
O'Keefe
Brian O'Keefe
2022
Charley O'Leary
1904 - 1934
Dan O'Leary
1879 - 1884
Troy O'Leary
1993 - 2003
Jack O'Loughlin
2024
Patrick O'Loughlin
1883 - 1883
Silk O'Loughlin
Ryan O'Malley
2006 - 2006
Shawn O'Malley
2014 - 2016
Tom O'Malley
1982 - 1990
Walter O'Malley
Ollie O'Mara
1912 - 1919
Eddie O'Meara
1895 - 1896
Luther O'Neal
Oran O'Neal
1925 - 1927
Randy O'Neal
1984 - 1990
Buck O'Neil
Charles O'Neil
Ed O'Neil
1890 - 1890
Fancy O'Neil
1874 - 1874
John O'Neil
1899 - 1902
John O'Neil
1946 - 1946
Mickey O'Neil
1919 - 1927
Dennis O'Neill
1893 - 1893
Emmett O'Neill
1943 - 1946
Fred O'Neill
1887 - 1887
Harry O'Neill
1922 - 1923
Harry O'Neill
1939 - 1939
Hugh O'Neill
1875 - 1875
Jack O'Neill
1902 - 1906
Jim O'Neill
1920 - 1923
John O'Neill
1904 - 1906
Mike O'Neill
1901 - 1907
Paul O'Neill
1985 - 2001
Peaches O'Neill
1904 - 1904
Steve O'Neill
1911 - 1928
Tip O'Neill
1883 - 1892
Tyler O'Neill
2018 - Current
Don O'Riley
1969 - 1970
O'Rourke
1872 - 1872
Frank O'Rourke
1912 - 1931
Jim O'Rourke
1959 - 1959
Jim O'Rourke
1872 - 1904
Jimmy O'Rourke
1908 - 1908
Joe O'Rourke
1929 - 1929
John O'Rourke
1879 - 1883
Mike O'Rourke
1890 - 1890
Patsy O'Rourke
1908 - 1908
Ryan O'Rourke
2015 - 2019
Tim O'Rourke
1890 - 1894
Tom O'Rourke
1887 - 1890
Sean O'Sullivan
2009 - 2016
Denny O'Toole
1969 - 1973
Jim O'Toole
1958 - 1967
Marty O'Toole
1908 - 1914
Charles O`Neil
Rebel Oakes
1909 - 1915
Charles Oakley
Trevor Oaks
2018 - 2018
Prince Oana
1934 - 1945
Johnny Oates
1970 - 1981
Sherman Obando
1993 - 1997
Bailey Ober
2021 - Current
Henry Oberbeck
1883 - 1884
Scott Oberg
2015 - 2019
Brett Oberholtzer
2013 - 2016
Dan Oberholzer
Ken Oberkfell
1977 - 1992
Doc Oberlander
1888 - 1888
Frank Oberlin
1906 - 1910
Wes Obermueller
2002 - 2007
Jim Obradovich
1978 - 1978
Alex Ochoa
1995 - 2002
Ivan Ochoa
2008 - 2008
Whitey Ock
1935 - 1935
Walter Ockey
1944 - 1944
Johnnie Oden
Johnnie Oden
Ted Odenwald
1921 - 1922
Blue Moon Odom
1964 - 1976
Dave Odom
1943 - 1943
Heinie Odom
1925 - 1925
Joseph Odom
2020 - 2021
Sam Odom
Rougned Odor
2014
Jake Odorizzi
2012 - 2022
Fred Odwell
1904 - 1907
Rube Oehme
Bryan Oelkers
1983 - 1986
Trent Oeltjen
2009 - 2011
Chuck Oertel
1958 - 1958
Joe Oeschger
1914 - 1925
Ron Oester
1978 - 1990
Jose Offerman
1990 - 2005
Rowland Office
1972 - 1983
Mose Offutt
Alexi Ogando
2010 - 2018
Cristofer Ogando
2022 - 2022
Nefi Ogando
2015 - 2016
Shinnosuke Ogasawara
2025 - Current
Curly Ogden
1922 - 1926
Jack Ogden
1918 - 1932
Chad Ogea
1994 - 1999
Jim Oglesby
1936 - 1936
Ben Oglivie
1971 - 1986
Cliff Ograin
Bruce Ogrodowski
1936 - 1937
Joe Ogrodowski
1925 - 1925
Seunghwan Oh
2016 - 2019
Tomo Ohka
1999 - 2009
Joe Ohl
1909 - 1909
Pierson Ohl
2025 - Current
Ross Ohlendorf
2007 - 2016
Mike Ohlman
2017 - 2017
Will Ohman
2000 - 2012
Kevin Ohme
2003 - 2003
Shohei Ohtani
2018 - Current
Kirt Ojala
1997 - 1999
Augie Ojeda
2000 - 2010
Bob Ojeda
1980 - 1994
Miguel Ojeda
2003 - 2006
Hideki Okajima
2007 - 2013
Kazuma Okamoto
2026 - Current
Steven Okert
2016 - Current
Chris Okey
2022
Frank Okrie
1920 - 1920
Len Okrie
1948 - 1952
Jim Olander
1991 - 1991
Pedro Olave
Dave Oldfield
1883 - 1886
Jimmy Oldham
John Oldham
1956 - 1956
Red Oldham
1914 - 1926
Bob Oldis
1953 - 1963
Rube Oldring
1905 - 1918
Wyatt Olds
2026 - Current
John Olerud
1989 - 2005
Frank Olin
1884 - 1885
Steve Olin
1989 - 1992
Jared Oliva
2020 - Current
Jose Oliva
1994 - 1995
Tony Oliva
1962 - 1976
Ed Olivares
1960 - 1961
Edward Olivares
2020
Omar Olivares
1990 - 2001
Al Oliver
1968 - 1985
Andy Oliver
2010 - 2011
Bob Oliver
1965 - 1975
Darren Oliver
1993 - 2013
Dave Oliver
1977 - 1977
Gene Oliver
1959 - 1969
Jim Oliver
Joe Oliver
1989 - 2001
John Henry Oliver
Nate Oliver
1963 - 1969
Tom Oliver
1930 - 1933
Hector Olivera
2015 - 2016
Francisco Oliveras
1989 - 1992
Lester Oliveros
2011 - 2014
Chi-Chi Olivo
1961 - 1966
Diomedes Olivo
1960 - 1963
Miguel Olivo
2002 - 2014
Adam Oller
2022
Jim Ollom
1966 - 1967
Ray Olmedo
2003 - 2012
Luis Olmo
1943 - 1951
Edgar Olmos
2013 - 2015
Fred Olmstead
1908 - 1911
Al Olmsted
1980 - 1980
Hank Olmsted
1905 - 1905
Barney Olsen
1941 - 1941
Kevin Olsen
2001 - 2003
Ole Olsen
1922 - 1923
Scott Olsen
2005 - 2010
Vern Olsen
1939 - 1946
Walter Olsen
Garrett Olson
2007 - 2012
Greg Olson
1989 - 1993
Gregg Olson
1988 - 2001
Ivy Olson
1911 - 1924
Karl Olson
1951 - 1957
Marv Olson
1931 - 1933
Matt Olson
2016 - Current
Reese Olson
2023 - Current
Ted Olson
1936 - 1938
Tim Olson
2004 - 2005
Tyler Olson
2015 - 2019
Mike Olt
2012 - 2015
Ed Olwine
1986 - 1988
Jim Omar
Omeada
Brian Omogrosso
2012 - 2013
Alejandro Oms
1925 - 1935
Jorge Ona
2020 - 2020
Logan Ondrusek
2010 - 2016
Manuel Onis
1935 - 1935
Eddie Onslow
1912 - 1927
Jack Onslow
1912 - 1917
Steve Ontiveros
1973 - 1980
Steve Ontiveros
1985 - 2000
Jose Oquendo
1983 - 1995
Mike Oquist
1993 - 1999
Tom Oran
1875 - 1875
Orange
Grady Orange
Grady Orange
Ernie Oravetz
1955 - 1956
Luis Ordaz
1997 - 2006
Tony Ordenana
1943 - 1943
Magglio Ordonez
1997 - 2011
Rey Ordonez
1996 - 2004
Joe Orengo
1939 - 1945
Nate Orf
2018 - 2020
Kevin Orie
1997 - 2002
Paulo Orlando
2015 - 2018
Clarence Orme
Clarence Orme
George Orme
1920 - 1920
Jess Orndorff
1907 - 1907
Jonathan Ornelas
2023 - Current
Tirso Ornelas
2025 - Current
Eddie Oropesa
2001 - 2004
Jesse Orosco
1979 - 2003
Billy Orr
1913 - 1914
Dave Orr
1883 - 1890
Pete Orr
2005 - 2013
Joe Orrell
1943 - 1945
Ernie Orsatti
1927 - 1935
John Orsino
1961 - 1967
Joe Orsulak
1983 - 1997
Kaleb Ort
2021 - Current
Jorge Orta
1972 - 1987
Anthony Ortega
2009 - 2009
Bill Ortega
2001 - 2001
Jose Ortega
2012 - 2014
Oliver Ortega
2021
Phil Ortega
1960 - 1969
Rafael Ortega
2012
Frank Ortenzio
1973 - 1973
Al Orth
1895 - 1909
Abimelec Ortiz
2026 - Current
Danny Ortiz
2017 - 2017
David Ortiz
1997 - 2016
Felix Ortiz
Hector Ortiz
1998 - 2002
Javier Ortiz
1990 - 1991
Joe Ortiz
2013 - 2013
Joey Ortiz
2023 - Current
Jose Ortiz
1969 - 1971
Jose Ortiz
2000 - 2002
Junior Ortiz
1982 - 1994
Luis Ortiz
1993 - 1996
Luis Ortiz
2018
Luis Ortiz
2022 - Current
Oliverio Ortiz
1944 - 1944
Rafaelito Ortiz
Ramon Ortiz
1999 - 2013
Roberto Ortiz
1941 - 1950
Russ Ortiz
1998 - 2010
Daniel Ortmeier
2005 - 2008
John Orton
1989 - 1993
Chad Orvella
2005 - 2007
Ossie Orwoll
1928 - 1929
Eric Orze
2024 - Current
Bob Osborn
1925 - 1931
Fred Osborn
1907 - 1909
Ozzie Osborn
1975 - 1975
Bobo Osborne
1957 - 1963
Donovan Osborne
1992 - 2004
Fred Osborne
1890 - 1890
Tiny Osborne
1922 - 1925
Wayne Osborne
1935 - 1936
Pat Osburn
1974 - 1975
Charlie Osgood
1944 - 1944
Josh Osich
2015 - 2021
Keith Osik
1996 - 2005
Dan Osinski
1962 - 1970
Julius Osley
Franquelis Osoria
2005 - 2008
Alberto Osorio
Harry Ostdiek
1904 - 1908
Champ Osteen
1903 - 1909
Claude Osteen
1957 - 1975
Darrell Osteen
1965 - 1970
Fred Ostendorf
1914 - 1914
Bill Oster
1954 - 1954
Red Ostergard
1921 - 1921
Charlie Osterhout
1879 - 1879
Fritz Ostermueller
1934 - 1948
Jimmy Osting
2001 - 2002
Brian Ostrosser
1973 - 1973
Joe Ostrowski
1948 - 1952
Johnny Ostrowski
1943 - 1950
Al Osuna
1990 - 1996
Alejandro Osuna
2025 - Current
Antonio Osuna
1995 - 2005
Jose Osuna
2017 - 2020
Roberto Osuna
2015 - 2020
Corey Oswalt
2018 - 2021
Roy Oswalt
2001 - 2013
Willis Otanez
1998 - 1999
Michel Otañez
2024 - Current
Dan Otero
2012 - 2019
Reggie Otero
1945 - 1945
Ricky Otero
1995 - 1997
Bill Otey
1907 - 1911
Amos Otis
1967 - 1984
Bill Otis
1912 - 1912
Harry Otis
1909 - 1909
Akinori Otsuka
2004 - 2007
Billy Ott
1962 - 1964
Ed Ott
1974 - 1981
Mel Ott
1926 - 1947
Adam Ottavino
2010 - Current
Jim Otten
1974 - 1981
John Otten
1895 - 1895
Billy Otterson
1887 - 1887
Dave Otto
1987 - 1994
Glenn Otto
2021 - 2023
Phil Ouellette
1986 - 1986
Johnny Oulliber
1933 - 1933
Guy Ousley
Bill Outen
1933 - 1933
Jimmy Outlaw
1937 - 1949
James Outman
2022 - Current
Josh Outman
2008 - 2014
Orval Overall
1905 - 1913
Lyle Overbay
2001 - 2014
Stubby Overmire
1943 - 1952
Albert Overton
Albert Overton
Connor Overton
2021
Dillon Overton
2016 - 2017
Mike Overy
1976 - 1976
Johan Oviedo
2020 - Current
Juan Carlos Oviedo
2005 - 2014
Luis Oviedo
2021 - 2021
Ernie Ovitz
1911 - 1911
Bob Owchinko
1976 - 1986
Dave Owen
1983 - 1988
Frank Owen
1901 - 1909
Hunter Owen
2021 - 2021
Larry Owen
1981 - 1988
Marv Owen
1931 - 1940
Mickey Owen
1937 - 1954
Spike Owen
1983 - 1995
Albert Owens
Albert Owens
Aubrey Owens
Dewitt Owens
Eric Owens
1995 - 2003
Henry Owens
2006 - 2007
Henry Owens
2015 - 2016
Jack Owens
1935 - 1935
Jayhawk Owens
1993 - 1996
Jerry Owens
2006 - 2009
Jim Owens
1955 - 1967
Judge Owens
Oscar Owens
Paul Owens
Red Owens
1899 - 1905
Roosevelt Owens
Roosevelt Owens
Rudy Owens
2014 - 2014
Smoky Owens
Smoky Owens
Sylvester Owens
Sylvester Owens
Tyler Owens
2025 - Current
Will Owens
Will Owens
Yip Owens
1905 - 1915
Chris Owings
2013
Micah Owings
2007 - 2012
Rick Ownbey
1982 - 1986
Henry Oxley
1884 - 1884
Chris Oxspring
2005 - 2005
Andy Oyler
1902 - 1902
Ray Oyler
1965 - 1970
Danny Ozark
Horace Ozmer
1923 - 1923
Ozore
Marcell Ozuna
2013 - Current
Pablo Ozuna
2000 - 2008