Players: O
Browse A–Z
Notable Players
OHTANI, SHOHEI
(2018–Present)
OZUNA, MARCELL
(2013–Present)
OLSON, MATT
(2016–Present)
OTTAVINO, ADAM
(2010–Present)
OBER, BAILEY
(2021–Present)
O'NEILL, TYLER
(2018–Present)
O'HEARN, RYAN
(2018–Present)
OKERT, STEVEN
(2016–Present)
ORTIZ, LUIS
(2022–Present)
OVIEDO, JOHAN
(2020–Present)
O'HOPPE, LOGAN
(2022–Present)
OLSON, REESE
(2023–Present)
OUTMAN, JAMES
(2022–Present)
ORT, KALEB
(2021–Present)
ORTIZ, JOEY
(2023–Present)
ORTIZ, DAVID
(1997–2016)
OTT, MEL
(1926–1947)
ORDONEZ, MAGGLIO
(1997–2011)
ORTH, AL
(1895–1909)
OSTEEN, CLAUDE
(1957–1975)
▸ Show full archive (397 players)
O'
O'Berry, Mike
(1979–1985)
O'Brien, Billy
(1884–1890)
O'Brien, Bob
(1971–1971)
O'Brien, Buck
(1911–1913)
O'Brien, Charlie
(1985–2000)
O'Brien, Cinders
(1888–1891)
O'Brien, Dan
(1978–1979)
O'Brien, Darby
(1887–1892)
O'Brien, Dink
(1923–1923)
O'Brien, Eddie
(1953–1958)
O'Brien, George
(1915–1915)
O'Brien, Jack
(1882–1890)
O'Brien, Jack
(1899–1903)
O'Brien, John
(1884–1884)
O'Brien, John
(1891–1899)
O'Brien, Johnny
(1953–1959)
O'Brien, Pete
(1901–1907)
O'Brien, Pete
(1887–1890)
O'Brien, Pete
(1982–1993)
O'Brien, Peter
(2015–2019)
O'Brien, Ray
(1916–1916)
O'Brien, Riley
(2021–Present)
O'Brien, Syd
(1969–1972)
O'Brien, Tom
(1897–1900)
O'Brien, Tom
(1882–1890)
O'Brien, Tommy
(1943–1950)
O'Bryant, Willie
(1932–1932)
O'Connell, Danny
(1950–1962)
O'Connell, Jimmy
(1923–1924)
O'Connell, John
(1928–1929)
O'Connell, John
(1891–1902)
O'Connell, Pat
(1886–1886)
O'Connor, Andy
(1908–1908)
O'Connor, Brian
(2000–2000)
O'Connor, Dan
(1890–1890)
O'Connor, Frank
(1893–1893)
O'Connor, Jack
(1887–1910)
O'Connor, Jack
(1981–1987)
O'Connor, Johnny
(1916–1916)
O'Connor, Mike
(2006–2011)
O'Connor, Paddy
(1908–1918)
O'Day, Darren
(2008–2022)
O'Day, Hank
(1884–1890)
O'Dea, Ken
(1935–1946)
O'Dea, Paul
(1944–1945)
O'Dell, Billy
(1954–1967)
O'Donnell, George
(1954–1954)
O'Donnell, Harry
(1927–1927)
O'Donnell, John
(1884–1884)
O'Donoghue, John
(1963–1971)
O'Donoghue, John
(1993–1993)
O'Doul, Lefty
(1919–1934)
O'Farrell, Bob
(1915–1935)
O'Flaherty, Eric
(2006–2017)
O'Grady, Brian
(2019–2021)
O'Grady, Chris
(2017–2018)
O'Hagan, Hal
(1892–1902)
O'Halloran, Greg
(1994–1994)
O'Hara, Bill
(1909–1910)
O'Hara, Kid
(1904–1904)
O'Hara, Tom
(1906–1907)
O'Keefe, Brian
(2022–2023)
O'Leary, Charley
(1904–1934)
O'Leary, Dan
(1879–1884)
O'Leary, Troy
(1993–2003)
O'Loughlin, Jack
(2024–2024)
O'Loughlin, Patrick
(1883–1883)
O'Malley, Ryan
(2006–2006)
O'Malley, Shawn
(2014–2016)
O'Malley, Tom
(1982–1990)
O'Mara, Ollie
(1912–1919)
O'Meara, Eddie
(1895–1896)
O'Neal, Luther
(1910–1914)
O'Neal, Oran
(1925–1927)
O'Neal, Randy
(1984–1990)
O'Neil, Buck
(1937–1948)
O'Neil, Charles
(1921–1923)
O'Neil, Ed
(1890–1890)
O'Neil, Fancy
(1874–1874)
O'Neil, John
(1946–1946)
O'Neil, John
(1899–1902)
O'Neil, Mickey
(1919–1927)
O'Neill, Dennis
(1893–1893)
O'Neill, Emmett
(1943–1946)
O'Neill, Fred
(1887–1887)
O'Neill, Harry
(1922–1923)
O'Neill, Harry
(1939–1939)
O'Neill, Hugh
(1875–1875)
O'Neill, Jack
(1902–1906)
O'Neill, Jim
(1920–1923)
O'Neill, John
(1904–1906)
O'Neill, Mike
(1901–1907)
O'Neill, Paul
(1985–2001)
O'Neill, Peaches
(1904–1904)
O'Neill, Steve
(1911–1928)
O'Neill, Tip
(1883–1892)
O'Riley, Don
(1969–1970)
O'Rourke,
(1872–1872)
O'Rourke, Frank
(1912–1931)
O'Rourke, Jim
(1872–1904)
O'Rourke, Jim
(1959–1959)
O'Rourke, Jimmy
(1908–1908)
O'Rourke, Joe
(1929–1929)
O'Rourke, John
(1879–1883)
O'Rourke, Mike
(1890–1890)
O'Rourke, Patsy
(1908–1908)
O'Rourke, Ryan
(2015–2019)
O'Rourke, Tim
(1890–1894)
O'Rourke, Tom
(1887–1890)
O'Sullivan, Sean
(2009–2016)
O'Toole, Denny
(1969–1973)
O'Toole, Jim
(1958–1967)
O'Toole, Marty
(1908–1914)
OA
OB
OC
OD
OE
OG
OH
OJ
OK
OL
Olander, Jim
(1991–1991)
Oldfield, Dave
(1883–1886)
Oldham, Jimmy
(1920–1923)
Oldham, John
(1956–1956)
Oldham, Red
(1914–1926)
Oldis, Bob
(1953–1963)
Oldring, Rube
(1905–1918)
Olerud, John
(1989–2005)
Olin, Frank
(1884–1885)
Olin, Steve
(1989–1992)
Oliva, Jared
(2020–2021)
Oliva, Jose
(1994–1995)
Oliva, Tony
(1962–1976)
Olivares, Ed
(1960–1961)
Olivares, Edward
(2020–2024)
Olivares, Omar
(1990–2001)
Oliver, Al
(1968–1985)
Oliver, Andy
(2010–2011)
Oliver, Bob
(1965–1975)
Oliver, Darren
(1993–2013)
Oliver, Dave
(1977–1977)
Oliver, Gene
(1959–1969)
Oliver, Jim
(1946–1946)
Oliver, Joe
(1989–2001)
Oliver, John Henry
(1930–1945)
Oliver, Nate
(1963–1969)
Oliver, Tom
(1930–1933)
Olivera, Hector
(2015–2016)
Oliveras, Francisco
(1989–1992)
Oliveros, Lester
(2011–2014)
Olivo, Chi-Chi
(1961–1966)
Olivo, Diomedes
(1960–1963)
Olivo, Miguel
(2002–2014)
Oller, Adam
(2022–2024)
Ollom, Jim
(1966–1967)
Olmedo, Ray
(2003–2012)
Olmo, Luis
(1943–1951)
Olmos, Edgar
(2013–2015)
Olmstead, Fred
(1908–1911)
Olmsted, Al
(1980–1980)
Olmsted, Hank
(1905–1905)
Olsen, Barney
(1941–1941)
Olsen, Kevin
(2001–2003)
Olsen, Ole
(1922–1923)
Olsen, Scott
(2005–2010)
Olsen, Vern
(1939–1946)
Olson, Garrett
(2007–2012)
Olson, Greg
(1989–1993)
Olson, Gregg
(1988–2001)
Olson, Ivy
(1911–1924)
Olson, Karl
(1951–1957)
Olson, Marv
(1931–1933)
Olson, Ted
(1936–1938)
Olson, Tim
(2004–2005)
Olson, Tyler
(2015–2019)
Olt, Mike
(2012–2015)
Olwine, Ed
(1986–1988)
ON
OR
Oran, Tom
(1875–1875)
Orange, Grady
(1925–1931)
Oravetz, Ernie
(1955–1956)
Ordaz, Luis
(1997–2006)
Ordenana, Tony
(1943–1943)
Ordonez, Rey
(1996–2004)
Orengo, Joe
(1939–1945)
Orf, Nate
(2018–2020)
Orie, Kevin
(1997–2002)
Orlando, Paulo
(2015–2018)
Orme, Clarence
(1920–1920)
Orme, George
(1920–1920)
Orndorff, Jess
(1907–1907)
Ornelas, Jonathan
(2023–Present)
Ornelas, Tirso
(2025–Present)
Oropesa, Eddie
(2001–2004)
Orosco, Jesse
(1979–2003)
Orr, Billy
(1913–1914)
Orr, Dave
(1883–1890)
Orr, Pete
(2005–2013)
Orrell, Joe
(1943–1945)
Orsatti, Ernie
(1927–1935)
Orsino, John
(1961–1967)
Orsulak, Joe
(1983–1997)
Orta, Jorge
(1972–1987)
Ortega, Anthony
(2009–2009)
Ortega, Bill
(2001–2001)
Ortega, Jose
(2012–2014)
Ortega, Oliver
(2021–2023)
Ortega, Phil
(1960–1969)
Ortega, Rafael
(2012–2024)
Ortenzio, Frank
(1973–1973)
Ortiz, Danny
(2017–2017)
Ortiz, Hector
(1998–2002)
Ortiz, Javier
(1990–1991)
Ortiz, Joe
(2013–2013)
Ortiz, Jose
(2000–2002)
Ortiz, Jose
(1969–1971)
Ortiz, Junior
(1982–1994)
Ortiz, Luis
(1993–1996)
Ortiz, Luis
(2018–2024)
Ortiz, Oliverio
(1944–1944)
Ortiz, Rafaelito
(1948–1948)
Ortiz, Ramon
(1999–2013)
Ortiz, Roberto
(1941–1950)
Ortiz, Russ
(1998–2010)
Ortmeier, Daniel
(2005–2008)
Orton, John
(1989–1993)
Orvella, Chad
(2005–2007)
Orwoll, Ossie
(1928–1929)
Orze, Eric
(2024–Present)
OS
Osborn, Bob
(1925–1931)
Osborn, Fred
(1907–1909)
Osborn, Ozzie
(1975–1975)
Osborne, Bobo
(1957–1963)
Osborne, Donovan
(1992–2004)
Osborne, Fred
(1890–1890)
Osborne, Tiny
(1922–1925)
Osborne, Wayne
(1935–1936)
Osburn, Pat
(1974–1975)
Osgood, Charlie
(1944–1944)
Osich, Josh
(2015–2021)
Osik, Keith
(1996–2005)
Osinski, Dan
(1962–1970)
Osley, Julius
(1937–1938)
Osoria, Franquelis
(2005–2008)
Ostdiek, Harry
(1904–1908)
Osteen, Champ
(1903–1909)
Osteen, Darrell
(1965–1970)
Ostendorf, Fred
(1914–1914)
Oster, Bill
(1954–1954)
Ostergard, Red
(1921–1921)
Osterhout, Charlie
(1879–1879)
Ostermueller, Fritz
(1934–1948)
Osting, Jimmy
(2001–2002)
Ostrosser, Brian
(1973–1973)
Ostrowski, Joe
(1948–1952)
Ostrowski, Johnny
(1943–1950)
Osuna, Al
(1990–1996)
Osuna, Alejandro
(2025–Present)
Osuna, Antonio
(1995–2005)
Osuna, Jose
(2017–2020)
Osuna, Roberto
(2015–2020)
Oswalt, Corey
(2018–2021)
Oswalt, Roy
(2001–2013)
OT
Otanez, Willis
(1998–1999)
Otañez, Michel
(2024–Present)
Otero, Dan
(2012–2019)
Otero, Reggie
(1945–1945)
Otero, Ricky
(1995–1997)
Otey, Bill
(1907–1911)
Otis, Amos
(1967–1984)
Otis, Bill
(1912–1912)
Otis, Harry
(1909–1909)
Otsuka, Akinori
(2004–2007)
Ott, Billy
(1962–1964)
Ott, Ed
(1974–1981)
Otten, Jim
(1974–1981)
Otten, John
(1895–1895)
Otterson, Billy
(1887–1887)
Otto, Dave
(1987–1994)
Otto, Glenn
(2021–2023)
OU
OV
OW
Owchinko, Bob
(1976–1986)
Owen, Dave
(1983–1988)
Owen, Frank
(1901–1909)
Owen, Hunter
(2021–2021)
Owen, Larry
(1981–1988)
Owen, Marv
(1931–1940)
Owen, Mickey
(1937–1954)
Owen, Spike
(1983–1995)
Owens, Albert
(1930–1930)
Owens, Aubrey
(1922–1925)
Owens, Dewitt
(1926–1930)
Owens, Eric
(1995–2003)
Owens, Henry
(2015–2016)
Owens, Henry
(2006–2007)
Owens, Jack
(1935–1935)
Owens, Jayhawk
(1993–1996)
Owens, Jerry
(2006–2009)
Owens, Jim
(1955–1967)
Owens, Judge
(1943–1943)
Owens, Oscar
(1922–1931)
Owens, Red
(1899–1905)
Owens, Rudy
(2014–2014)
Owens, Smoky
(1938–1942)
Owens, Tyler
(2025–Present)
Owens, Will
(1924–1933)
Owens, Yip
(1905–1915)
Owings, Chris
(2013–2023)
Owings, Micah
(2007–2012)
Ownbey, Rick
(1982–1986)