The Ballplayers
A Baseball Player Encyclopedia (O'Berry to Oliveras)

Baseball Almanac is pleased to present a comprehensive list of EVERY Major League player whose last name falls between the names above. Included on the chart are links to the players biography, the years he played, an Auto(graphed) baseball card notation (Y=Yes) and a (HOF) Hall of Fame mark (Y=Yes). Bold entries stand for active players which are defined as those who played in at least one Major League game during the most recently completed season.
"I went three days without a hit and my wife refused to cook me dinner. When I didn't get a hit the fourth day, she gave her tickets away. I guess if I ever go a week without a hit, I'll be sleeping in a tent in the backyard." - Al Oliver
The Ballplayers

A Comprehensive Player Registry

O'Berry
to
Oliveras		O is for Ott
Of the restless right foot.
When he leaned on the pellet,
The pellet stayed put.		305 Players
Mike O'Berry1979 - 1985  
Billy O'Brien1884 - 1890  
Bob O'Brien1971 - 1971  
Buck O'Brien1911 - 1913  
Charlie O'Brien1985 - 2000Y 
Dan O'Brien1978 - 1979  
Darby O'Brien1887 - 1892  
Darby O'Brien1888 - 1891  
Dink O'Brien1923 - 1923  
Eddie O'Brien1953 - 1958Y 
George O'Brien1915 - 1915  
Jack O'Brien1882 - 1890  
Jack O'Brien1899 - 1903  
Jerry O'Brien1887 - 1887  
John O'Brien1884 - 1884  
John O'Brien1891 - 1899  
Johnny O'Brien1953 - 1959Y 
Pete O'Brien1890 - 1890  
Pete O'Brien1901 - 1907  
Pete O'Brien1982 - 1993Y 
Ray O'Brien1916 - 1916  
Syd O'Brien1969 - 1972Y 
Tom O'Brien1882 - 1890  
Tom O'Brien1897 - 1900  
Tommy O'Brien1943 - 1950  
Danny O'Connell1950 - 1962  
Jimmy O'Connell1923 - 1924  
John O'Connell1891 - 1902  
John O'Connell1928 - 1929  
Pat O'Connell1886 - 1886  
Andy O'Connor1908 - 1908  
Brian O'Connor2000 - 2000  
Dan O'Connor1890 - 1890  
Frank O'Connor1893 - 1893  
Jack O'Connor1887 - 1910  
Jack O'Connor1981 - 1987Y 
Johnny O'Connor1916 - 1916  
Mike O'Connor2006 - 2006Y 
Paddy O'Connor1908 - 1918  
Hank O'Day1884 - 1890  
Ken O'Dea1935 - 1946  
Paul O'Dea1944 - 1945  
Billy O'Dell1954 - 1967Y 
George O'Donnell1954 - 1954  
Harry O'Donnell1927 - 1927  
John O'Donnell1884 - 1884  
John O'Donoghue1963 - 1971Y 
John O'Donoghue1993 - 1993Y 
Lefty O'Doul1919 - 1934  
Bob O'Farrell1915 - 1935Y 
Eric O'Flaherty2006 - 2007  
Hal O'Hagan1892 - 1902  
Greg O'Halloran1994 - 1994Y 
Bill O'Hara1909 - 1910  
Kid O'Hara1904 - 1904  
Tom O'Hara1906 - 1907  
Charley O'Leary1904 - 1934  
Dan O'Leary1879 - 1884  
Troy O'Leary1993 - 2003Y 
Ryan O'Malley2006 - 2006  
Tom O'Malley1982 - 1990Y 
Ollie O'Mara1912 - 1919  
Tom O'Meara1895 - 1896  
Randy O'Neal1984 - 1990Y 
Skinny O'Neal1925 - 1927  
Denny O'Neil1893 - 1893  
Ed O'Neil1890 - 1890  
John O'Neil1946 - 1946  
Mickey O'Neil1919 - 1927  
Bill O'Neill1904 - 1906  
Emmett O'Neill1943 - 1946  
Fred O'Neill1887 - 1887  
Harry O'Neill1922 - 1923  
Harry O'Neill1939 - 1939  
Jack O'Neill1902 - 1906  
Jim O'Neill1920 - 1923  
John O'Neill1899 - 1902  
Mike O'Neill1901 - 1907  
Paul O'Neill1985 - 2001Y 
Peaches O'Neill1904 - 1904  
Steve O'Neill1911 - 1928  
Tip O'Neill1883 - 1892  
Don O'Riley1969 - 1970  
Frank O'Rourke1912 - 1931  
Jim O'Rourke1876 - 1904 Y
Jim O'Rourke1959 - 1959  
Joe O'Rourke1929 - 1929  
John O'Rourke1879 - 1883  
Mike O'Rourke1890 - 1890  
Patsy O'Rourke1908 - 1908  
Queenie O'Rourke1908 - 1908  
Tim O'Rourke1890 - 1894  
Tom O'Rourke1887 - 1890  
Dennis O'Toole1969 - 1973  
Jim O'Toole1958 - 1967Y 
Marty O'Toole1908 - 1914  
Rebel Oakes1909 - 1915  
Prince Oana1934 - 1945  
Johnny Oates1970 - 1981Y 
Sherman Obando1993 - 1997Y 
Henry Oberbeck1883 - 1884  
Ken Oberkfell1977 - 1992Y 
Doc Oberlander1888 - 1888  
Frank Oberlin1906 - 1910  
Wes Obermueller2002 - 2007  
Jim Obradovich1978 - 1978  
Alex Ochoa1995 - 2002Y 
Whitey Ock1935 - 1935  
Walter Ockey1944 - 1944  
Ted Odenwald1921 - 1922  
Blue Moon Odom1964 - 1976Y 
Dave Odom1943 - 1943  
Heinie Odom1925 - 1925  
Fred Odwell1904 - 1907  
Bryan Oelkers1983 - 1986Y 
Chuck Oertel1958 - 1958  
Joe Oeschger1914 - 1925Y 
Ron Oester1978 - 1990Y 
Jose Offerman1990 - 2005Y 
Rowland Office1972 - 1983Y 
Curly Ogden1922 - 1926  
Jack Ogden1918 - 1932  
Chad Ogea1994 - 1999Y 
Jim Oglesby1936 - 1936  
Ben Oglivie1971 - 1986Y 
Bruce Ogrodowski1936 - 1937  
Joe Ogrodowski1925 - 1925  
Tomo Ohka1999 - 2007Y 
Joe Ohl1909 - 1909  
Ross Ohlendorf2007 - 2007  
Will Ohman2000 - 2007  
Kevin Ohme2003 - 2003Y 
Kirt Ojala1997 - 1999  
Augie Ojeda2000 - 2007  
Bob Ojeda1980 - 1994Y 
Miguel Ojeda2003 - 2006  
Hideki Okajima2007 - 2007  
Frank Okrie1920 - 1920  
Len Okrie1948 - 1952  
Jim Olander1991 - 1991  
Dave Oldfield1883 - 1886  
John Oldham1956 - 1956  
Red Oldham1914 - 1926  
Bob Oldis1953 - 1963Y 
Rube Oldring1905 - 1918  
John Olerud1989 - 2005Y 
Frank Olin1884 - 1885  
Steve Olin1989 - 1992Y 
Jose Oliva1994 - 1995Y 
Tony Oliva1962 - 1976Y 
Ed Olivares1960 - 1961  
Omar Olivares1990 - 2001  
Al Oliver1968 - 1985Y 
Bob Oliver1965 - 1975Y 
Darren Oliver1993 - 2007Y 
Dave Oliver1977 - 1977  
Gene Oliver1959 - 1969Y 
Joe Oliver1989 - 2001Y 
Nate Oliver1963 - 1969Y 
Tom Oliver1930 - 1933  
Francisco Oliveras1989 - 1992Y 


Did you know that the all-time career home run leader whose last name begins with a letter 'O' is Mel Ott with five-hundred eleven long balls?

Baseball Almanac is pleased to present a breakdown of players born in U.S. States which begin with an 'O': Ohio with nine-hundred forty-eight, Oklahoma with two-hundred twenty and Oregon with one-hundred twelve ballplayers.

Some of the most popular players clicked on by visitors in this section are: Lefty O'Doul, Paul O'Neill, John Olerud, Tony Oliva, Rey Ordonez and Mel Ott.
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