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 BallplayersA Comprehensive Player Registry | ||||
Last Name | Line-Up For Yesterday | Quantity | ||
O'Berry to Oliveros | O is for Ott Of the restless right foot. When he leaned on the pellet, The pellet stayed put. | 380 Players | ||
Player Name | Years Played | Auto | Address | HOF |
Mike O'Berry | 1979 - 1985 | Y | ||
Billy O'Brien | 1884 - 1890 | |||
Bob O'Brien | 1971 - 1971 | Y | ||
Buck O'Brien | 1911 - 1913 | |||
Charlie O'Brien | 1985 - 2000 | Y | ||
Cinders O'Brien | 1888 - 1891 | |||
Dan O'Brien | 1978 - 1979 | Y | ||
Darby O'Brien | 1887 - 1892 | |||
Dink O'Brien | 1923 - 1923 | |||
Eddie O'Brien | 1953 - 1958 | Y | ||
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 | Y | ||
Pete O'Brien | 1887 - 1890 | |||
Pete O'Brien | 1901 - 1907 | |||
Pete O'Brien | 1982 - 1993 | Y | ||
Peter O'Brien | 2015 - 2019 | Y | ||
Ray O'Brien | 1916 - 1916 | |||
Riley O'Brien | 2021 - 2022 | |||
Syd O'Brien | 1969 - 1972 | Y | ||
Tom O'Brien | 1882 - 1890 | |||
Tom O'Brien | 1897 - 1900 | |||
Tommy O'Brien | 1943 - 1950 | |||
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 | Y | ||
Dan O'Connor | 1890 - 1890 | |||
Frank O'Connor | 1893 - 1893 | |||
Jack O'Connor | 1887 - 1910 | |||
Jack O'Connor | 1981 - 1987 | Y | ||
Johnny O'Connor | 1916 - 1916 | |||
Mike O'Connor | 2006 - 2011 | Y | ||
Paddy O'Connor | 1908 - 1918 | |||
Darren O'Day | 2008 - 2022 | Y | ||
Hank O'Day | 1884 - 1890 | Y - 2013 | ||
Ken O'Dea | 1935 - 1946 | Y | ||
Paul O'Dea | 1944 - 1945 | |||
Billy O'Dell | 1954 - 1967 | Y | ||
George O'Donnell | 1954 - 1954 | |||
Harry O'Donnell | 1927 - 1927 | |||
John O'Donnell | 1884 - 1884 | |||
John O'Donoghue | 1963 - 1971 | Y | ||
John O'Donoghue | 1993 - 1993 | Y | ||
Lefty O'Doul | 1919 - 1934 | Y | ||
Bob O'Farrell | 1915 - 1935 | Y | ||
Eric O'Flaherty | 2006 - 2017 | Y | ||
Brian O'Grady | 2019 - 2021 | Y | ||
Chris O'Grady | 2017 - 2018 | Y | ||
Hal O'Hagan | 1892 - 1902 | |||
Greg O'Halloran | 1994 - 1994 | Y | ||
Bill O'Hara | 1909 - 1910 | |||
Kid O'Hara | 1904 - 1904 | |||
Tom O'Hara | 1906 - 1907 | |||
Ryan O'Hearn | 2018 - 2023 | Y | ||
Logan O'Hoppe | 2022 - 2023 | Y | ||
Brian O'Keefe | 2022 - 2023 | Y | ||
Charley O'Leary | 1904 - 1934 | |||
Dan O'Leary | 1879 - 1884 | |||
Troy O'Leary | 1993 - 2003 | Y | ||
Pat O'Loughlin | 1883 - 1883 | |||
Ryan O'Malley | 2006 - 2006 | Y | ||
Shawn O'Malley | 2014 - 2016 | Y | ||
Tom O'Malley | 1982 - 1990 | Y | ||
Ollie O'Mara | 1912 - 1919 | |||
Eddie O'Meara | 1895 - 1896 | |||
Randy O'Neal | 1984 - 1990 | Y | ||
Skinny O'Neal | 1925 - 1927 | |||
Denny O'Neil | 1893 - 1893 | |||
Ed O'Neil | 1890 - 1890 | |||
John O'Neil | 1946 - 1946 | |||
Mickey O'Neil | 1919 - 1927 | |||
Bill O'Neill | 1904 - 1906 | |||
Emmett O'Neill | 1943 - 1946 | Y | ||
Fred O'Neill | 1887 - 1887 | |||
Harry O'Neill | 1922 - 1923 | |||
Harry O'Neill | 1939 - 1939 | |||
Jack O'Neill | 1902 - 1906 | |||
Jim O'Neill | 1920 - 1923 | |||
John O'Neill | 1899 - 1902 | |||
Mike O'Neill | 1901 - 1907 | |||
Paul O'Neill | 1985 - 2001 | Y | ||
Peaches O'Neill | 1904 - 1904 | |||
Steve O'Neill | 1911 - 1928 | |||
Tip O'Neill | 1883 - 1892 | |||
Tyler O'Neill | 2018 - 2023 | Y | ||
Don O'Riley | 1969 - 1970 | |||
Frank O'Rourke | 1912 - 1931 | Y | ||
Jim O'Rourke | 1876 - 1904 | Y - 1945 | ||
Jim O'Rourke | 1959 - 1959 | |||
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 | Y | ||
Dennis O'Toole | 1969 - 1973 | Y | ||
Jim O'Toole | 1958 - 1967 | Y | ||
Marty O'Toole | 1908 - 1914 | |||
Rebel Oakes | 1909 - 1915 | |||
Trevor Oaks | 2018 - 2018 | Y | ||
Prince Oana | 1934 - 1945 | |||
Johnny Oates | 1970 - 1981 | Y | ||
Sherman Obando | 1993 - 1997 | Y | ||
Bailey Ober | 2021 - 2023 | Y | ||
Henry Oberbeck | 1883 - 1884 | |||
Scott Oberg | 2015 - 2019 | Y | ||
Brett Oberholtzer | 2013 - 2016 | Y | ||
Ken Oberkfell | 1977 - 1992 | Y | ||
Doc Oberlander | 1888 - 1888 | |||
Frank Oberlin | 1906 - 1910 | |||
Wes Obermueller | 2002 - 2007 | Y | ||
Jim Obradovich | 1978 - 1978 | Y | ||
Alex Ochoa | 1995 - 2002 | Y | ||
Ivan Ochoa | 2008 - 2008 | Y | ||
Whitey Ock | 1935 - 1935 | |||
Walter Ockey | 1944 - 1944 | |||
Ted Odenwald | 1921 - 1922 | |||
Blue Moon Odom | 1964 - 1976 | Y | ||
Dave Odom | 1943 - 1943 | |||
Heinie Odom | 1925 - 1925 | |||
Joseph Odom | 2020 - 2021 | Y | ||
Rougned Odor | 2014 - 2023 | Y | ||
Jake Odorizzi | 2012 - 2022 | Y | ||
Fred Odwell | 1904 - 1907 | |||
Bryan Oelkers | 1983 - 1986 | Y | ||
Trent Oeltjen | 2009 - 2011 | Y | ||
Chuck Oertel | 1958 - 1958 | |||
Joe Oeschger | 1914 - 1925 | Y | ||
Ron Oester | 1978 - 1990 | Y | ||
Jose Offerman | 1990 - 2005 | Y | ||
Rowland Office | 1972 - 1983 | Y | ||
Alexi Ogando | 2010 - 2018 | Y | ||
Cristofer Ogando | 2022 - 2022 | |||
Nefi Ogando | 2015 - 2016 | |||
Curly Ogden | 1922 - 1926 | |||
Jack Ogden | 1918 - 1932 | |||
Chad Ogea | 1994 - 1999 | Y | ||
Jim Oglesby | 1936 - 1936 | |||
Ben Oglivie | 1971 - 1986 | Y | ||
Bruce Ogrodowski | 1936 - 1937 | |||
Joe Ogrodowski | 1925 - 1925 | |||
Seunghwan Oh | 2016 - 2019 | |||
Tomo Ohka | 1999 - 2009 | Y | ||
Joe Ohl | 1909 - 1909 | |||
Ross Ohlendorf | 2007 - 2016 | Y | ||
Mike Ohlman | 2017 - 2017 | Y | ||
Will Ohman | 2000 - 2012 | Y | ||
Kevin Ohme | 2003 - 2003 | Y | ||
Shohei Ohtani | 2018 - 2024 | Y | ||
Kirt Ojala | 1997 - 1999 | Y | ||
Augie Ojeda | 2000 - 2010 | Y | ||
Bob Ojeda | 1980 - 1994 | Y | ||
Miguel Ojeda | 2003 - 2006 | Y | ||
Hideki Okajima | 2007 - 2013 | Y | ||
Steven Okert | 2016 - 2023 | Y | ||
Chris Okey | 2022 - 2023 | Y | ||
Frank Okrie | 1920 - 1920 | |||
Len Okrie | 1948 - 1952 | Y | ||
Jim Olander | 1991 - 1991 | Y | ||
Dave Oldfield | 1883 - 1886 | |||
John Oldham | 1956 - 1956 | Y | ||
Red Oldham | 1914 - 1926 | |||
Bob Oldis | 1953 - 1963 | Y | ||
Rube Oldring | 1905 - 1918 | |||
John Olerud | 1989 - 2005 | Y | ||
Frank Olin | 1884 - 1885 | |||
Steve Olin | 1989 - 1992 | Y | ||
Jared Oliva | 2020 - 2021 | Y | ||
Jose Oliva | 1994 - 1995 | Y | ||
Tony Oliva | 1962 - 1976 | Y | Y - 2022 | |
Ed Olivares | 1960 - 1961 | Y | ||
Edward Olivares | 2020 - 2023 | Y | ||
Omar Olivares | 1990 - 2001 | Y | ||
Al Oliver | 1968 - 1985 | Y | ||
Andy Oliver | 2010 - 2011 | Y | ||
Bob Oliver | 1965 - 1975 | Y | ||
Darren Oliver | 1993 - 2013 | Y | ||
Dave Oliver | 1977 - 1977 | Y | ||
Gene Oliver | 1959 - 1969 | Y | ||
Joe Oliver | 1989 - 2001 | Y | ||
Nate Oliver | 1963 - 1969 | Y | ||
Tom Oliver | 1930 - 1933 | |||
Hector Olivera | 2015 - 2016 | Y | ||
Francisco Oliveras | 1989 - 1992 | Y | ||
Lester Oliveros | 2011 - 2014 | Y | ||
Player Name | Years Played | Auto | Address | HOF |
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.