選手一覧（姓がO）

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選手日本語名在籍
Mike O'Berry1979〜1985
Bob O'Brien1971〜1971
Buck O'Brien1911〜1913
Charlie O'Brien1985〜2000
Dan O'Brien1978〜1979
Dink O'Brien1923〜1923
Eddie O'Brien1953〜1958
George O'Brien1915〜1915
Jack O'Brien1899〜1903
John O'Brien1891〜1899
Johnny O'Brien1953〜1959
Pete O'Brien1901〜1907
Pete O'Brien1982〜1993
Peter O'Brien2015〜2019
Ray O'Brien1916〜1916
Riley O'Brien2021〜2025
Syd O'Brien1969〜1972
Tom O'Brien1897〜1900
Tommy O'Brien1943〜1950
Willie O'Bryant1932〜1932
Danny O'Connell1950〜1962
Jimmy O'Connell1923〜1924
John O'Connell1928〜1929
John O'Connell1891〜1902
Andy O'Connor1908〜1908
Brian O'Connor2000〜2000
Jack O'Connor1887〜1910
Jack O'Connor1981〜1987
Johnny O'Connor1916〜1916
Mike O'Connor2006〜2011
Paddy O'Connor1908〜1918
Darren O'Day2008〜2022
Ken O'Dea1935〜1946
Paul O'Dea1944〜1945
Billy O'Dell1954〜1967
John O'Dell1949〜1949
George O'Donnell1954〜1954
Harry O'Donnell1927〜1927
John O'Donoghue1993〜1993
John O'Donoghue1963〜1971
Lefty O'Doul1919〜1934
Bob O'Farrell1915〜1935
Orlando O'Farrill1949〜1949
Eric O'Flaherty2006〜2017
Brian O'Grady2019〜2021
Chris O'Grady2017〜2018
Hal O'Hagan1892〜1902
Greg O'Halloran1994〜1994
Bill O'Hara1909〜1910
Kid O'Hara1904〜1904
Tom O'Hara1906〜1907
Ryan O'Hearn2018〜2025
Logan O'Hoppe2022〜2025
Brian O'Keefe2022〜2023
Charley O'Leary1904〜1934
Troy O'Leary1993〜2003
Jack O'Loughlin2024〜2024
Ryan O'Malley2006〜2006
Shawn O'Malley2014〜2016
Tom O'Malley1982〜1990
Ollie O'Mara1912〜1919
Randy O'Neal1984〜1990
Skinny O'Neal1925〜1927
Buck O'Neil1937〜1949
John O'Neil1899〜1902
John O'Neil1946〜1946
Mickey O'Neil1919〜1927
Emmett O'Neill1943〜1946
Harry O'Neill1939〜1939
Harry O'Neill1922〜1923
Jack O'Neill1902〜1906
Jim O'Neill1920〜1923
John O'Neill1904〜1906
Mike O'Neill1901〜1907
Paul O'Neill1985〜2001
Peaches O'Neill1904〜1904
Steve O'Neill1911〜1928
Tyler O'Neill2018〜2025
Don O'Riley1969〜1970
Frank O'Rourke1912〜1931
Jim O'Rourke1959〜1959
Jim O'Rourke1872〜1904
Jimmy O'Rourke1908〜1908
Joe O'Rourke1929〜1929
Patsy O'Rourke1908〜1908
Ryan O'Rourke2015〜2019
Sean O'Sullivan2009〜2016
Denny O'Toole1969〜1973
Jim O'Toole1958〜1967
Marty O'Toole1908〜1914
Rebel Oakes1909〜1915
Charles Oakley1936〜1940
Trevor Oaks2018〜2018
Prince Oana1934〜1945
Johnny Oates1970〜1981
Sherman Obando1993〜1997
Bailey Ober2021〜2025
Scott Oberg2015〜2019
Brett Oberholtzer2013〜2016
Dan Oberholzer1935〜1935
Ken Oberkfell1977〜1992
Frank Oberlin1906〜1910
Wes Obermueller2002〜2007
Jim Obradovich1978〜1978
Alex Ochoa1995〜2002
Ivan Ochoa2008〜2008
Whitey Ock1935〜1935
Walter Ockey1944〜1944
Ted Odenwald1921〜1922
Blue Moon Odom1964〜1976
Dave Odom1943〜1943
Heinie Odom1925〜1925
Joseph Odom2020〜2021
Sam Odom1945〜1946
Rougned Odor2014〜2023
Jake Odorizzi2012〜2022
Fred Odwell1904〜1907
Bryan Oelkers1983〜1986
Trent Oeltjen2009〜2011
Chuck Oertel1958〜1958
Joe Oeschger1914〜1925
Ron Oester1978〜1990
Jose Offerman1990〜2005
Rowland Office1972〜1983
Alexi Ogando2010〜2018
Cristofer Ogando2022〜2022
Nefi Ogando2015〜2016
Shinnosuke Ogasawara小笠原慎之介2025〜2025
Curly Ogden1922〜1926
Jack Ogden1918〜1932
Chad Ogea1994〜1999
Jim Oglesby1936〜1936
Ben Oglivie1971〜1986
Bruce Ogrodowski1936〜1937
Joe Ogrodowski1925〜1925
Seung Hwan Oh2016〜2019
Tomo Ohka大家友和1999〜2009
Joe Ohl1909〜1909
Pierson Ohl2025〜2025
Ross Ohlendorf2007〜2016
Mike Ohlman2017〜2017
Will Ohman2000〜2012
Kevin Ohme2003〜2003
Shohei Ohtani大谷翔平2018〜2025
Kirt Ojala1997〜1999
Augie Ojeda2000〜2010
Bob Ojeda1980〜1994
Miguel Ojeda2003〜2006
Hideki Okajima岡島秀樹2007〜2013
Steven Okert2016〜2025
Chris Okey2022〜2023
Frank Okrie1920〜1920
Len Okrie1948〜1952
Jim Olander1991〜1991
Jimmy Oldham1921〜1921
John Oldham1956〜1956
Red Oldham1914〜1926
Bob Oldis1953〜1963
Rube Oldring1905〜1918
John Olerud1989〜2005
Steve Olin1989〜1992
Jared Oliva2020〜2021
Jose Oliva1994〜1995
Tony Oliva1962〜1976
Ed Olivares1960〜1961
Edward Olivares2020〜2024
Omar Olivares1990〜2001
Al Oliver1968〜1985
Andy Oliver2010〜2011
Bob Oliver1965〜1975
Darren Oliver1993〜2013
Dave Oliver1977〜1977
Gene Oliver1959〜1969
Jim Oliver1942〜1946
Joe Oliver1989〜2001
John Henry Oliver1937〜1946
Nate Oliver1963〜1969
Tom Oliver1930〜1933
Hector Olivera2015〜2016
Francisco Oliveras1989〜1992
Lester Oliveros2011〜2014
Chi-Chi Olivo1961〜1966
Diomedes Olivo1960〜1963
Miguel Olivo2002〜2014
Adam Oller2022〜2024
Jim Ollom1966〜1967
Ray Olmedo2003〜2012
Luis Olmo1943〜1951
Edgar Olmos2013〜2015
Fred Olmstead1908〜1911
Al Olmsted1980〜1980
Hank Olmsted1905〜1905
Barney Olsen1941〜1941
Kevin Olsen2001〜2003
Ole Olsen1922〜1923
Scott Olsen2005〜2010
Vern Olsen1939〜1946
Garrett Olson2007〜2012
Greg Olson1989〜1993
Gregg Olson1988〜2001
Ivy Olson1911〜1924
Karl Olson1951〜1957
Marv Olson1931〜1933
Matt Olsonマット・オルソン2016〜2025
Reese Olson2023〜2025
Ted Olson1936〜1938
Tim Olson2004〜2005
Tyler Olson2015〜2019
Mike Olt2012〜2015
Ed Olwine1986〜1988
Brian Omogrosso2012〜2013
Alejandro Oms1925〜1935
Jorge Ona2020〜2020
Logan Ondrusek2010〜2016
Curly Onis1935〜1935
Eddie Onslow1912〜1927
Jack Onslow1912〜1917
Steve Ontiveros1973〜1980
Steve Ontiveros1985〜2000
Jose Oquendo1983〜1995
Mike Oquist1993〜1999
Grady Orange1925〜1930
Ernie Oravetz1955〜1956
Luis Ordaz1997〜2006
Tony Ordenana1943〜1943
Magglio Ordonez1997〜2011
Rey Ordonez1996〜2004
Joe Orengo1939〜1945
Nate Orf2018〜2020
Kevin Orie1997〜2002
Paulo Orlando2015〜2018
George Orme1920〜1920
Jess Orndorff1907〜1907
Jonathan Ornelas2023〜2025
Tirso Ornelas2025〜2025
Eddie Oropesa2001〜2004
Jesse Orosco1979〜2003
Billy Orr1913〜1914
Pete Orr2005〜2013
Joe Orrell1943〜1945
Ernie Orsatti1927〜1935
John Orsino1961〜1967
Joe Orsulak1983〜1997
Kaleb Ort2021〜2025
Jorge Orta1972〜1987
Anthony Ortega2009〜2009
Bill Ortega2001〜2001
Jose Ortega2012〜2014
Oliver Ortega2021〜2023
Phil Ortega1960〜1969
Rafael Ortega2012〜2024
Frank Ortenzio1973〜1973
Al Orth1895〜1909
Baby Ortiz1944〜1944
Danny Ortiz2017〜2017
David Ortizデービッド・オルティス1997〜2016
Hector Ortiz1998〜2002
Javier Ortiz1990〜1991
Joe Ortiz2013〜2013
Joey Ortiz2023〜2025
Jose Ortiz1969〜1971
Jose Ortiz2000〜2002
Junior Ortiz1982〜1994
Luis Ortiz2022〜2025
Luis Ortiz2018〜2024
Luis Ortiz1993〜1996
Rafaelito Ortiz1948〜1948
Ramon Ortiz1999〜2013
Roberto Ortiz1941〜1950
Russ Ortiz1998〜2010
Daniel Ortmeier2005〜2008
John Orton1989〜1993
Chad Orvella2005〜2007
Ossie Orwoll1928〜1929
Eric Orze2024〜2025
Bob Osborn1925〜1931
Fred Osborn1907〜1909
Ozzie Osborn1975〜1975
Bobo Osborne1957〜1963
Donovan Osborne1992〜2004
Tiny Osborne1922〜1925
Wayne Osborne1935〜1936
Pat Osburn1974〜1975
Charlie Osgood1944〜1944
Josh Osich2015〜2021
Keith Osik1996〜2005
Dan Osinski1962〜1970
Julius Osley1937〜1938
Franquelis Osoria2005〜2008
Alberto Osorio1949〜1949
Harry Ostdiek1904〜1908
Champ Osteen1903〜1909
Claude Osteen1957〜1975
Darrell Osteen1965〜1970
Fred Ostendorf1914〜1914
Bill Oster1954〜1954
Red Ostergard1921〜1921
Fritz Ostermueller1934〜1948
Jimmy Osting2001〜2002
Brian Ostrosser1973〜1973
Joe Ostrowski1948〜1952
Johnny Ostrowski1943〜1950
Al Osuna1990〜1996
Alejandro Osuna2025〜2025
Antonio Osuna1995〜2005
Jose Osuna2017〜2020
Roberto Osuna2015〜2020
Corey Oswalt2018〜2021
Roy Oswalt2001〜2013
Michel Otanez2024〜2025
Willis Otanez1998〜1999
Dan Otero2012〜2019
Reggie Otero1945〜1945
Ricky Otero1995〜1997
Bill Otey1907〜1911
Amos Otis1967〜1984
Bill Otis1912〜1912
Harry Otis1909〜1909
Akinori Otsuka大塚晶文2004〜2007
Billy Ott1962〜1964
Ed Ott1974〜1981
Mel Ott1926〜1947
Adam Ottavino2010〜2025
Jim Otten1974〜1981
Dave Otto1987〜1994
Glenn Otto2021〜2023
Phil Ouellette1986〜1986
Johnny Oulliber1933〜1933
Chink Outen1933〜1933
Jimmy Outlaw1937〜1949
James Outman2022〜2025
Josh Outman2008〜2014
Orval Overall1905〜1913
Lyle Overbay2001〜2014
Stubby Overmire1943〜1952
Albert Overton1937〜1946
Connor Overton2021〜2023
Dillon Overton2016〜2017
Mike Overy1976〜1976
Johan Oviedo2020〜2025
Luis Oviedo2021〜2021
Ernie Ovitz1911〜1911
Bob Owchinko1976〜1986
Dave Owen1983〜1988
Frank Owen1901〜1909
Hunter Owen2021〜2021
Larry Owen1981〜1988
Marv Owen1931〜1940
Mickey Owen1937〜1954
Spike Owen1983〜1995
Aubry Owens1924〜1924
Dewitt Owens1927〜1927
Eric Owens1995〜2003
Henry Owens2006〜2007
Henry Owens2015〜2016
Jack Owens1935〜1935
Jayhawk Owens1993〜1996
Jerry Owens2006〜2009
Jim Owens1955〜1967
Red Owens1899〜1905
Roosevelt Owens1934〜1937
Rudy Owens2014〜2014
Smoky Owens1938〜1942
Sylvester Owens1937〜1942
Tyler Owens2025〜2025
Will Owens1933〜1933
Yip Owens1905〜1915
Chris Owings2013〜2023
Micah Owings2007〜2012
Rick Ownbey1982〜1986
Chris Oxspring2005〜2005
Andy Oyler1902〜1902
Ray Oyler1965〜1970
Doc Ozmer1923〜1923
Ozore1939〜1939
Marcell Ozuna2013〜2025
Pablo Ozuna2000〜2008