John K. O'Brien (born John K. Byrne, June 12, 1860 – November 20, 1910) was an American

Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...

player. He played primarily

catcher Catcher is a Baseball positions, position in baseball and softball. When a Batter (baseball), batter takes their at bat, turn to hit, the catcher crouches behind home plate, in front of the (home plate, home) Umpire (baseball), umpire, and recei ...

and

first base A first baseman, abbreviated 1B, is the player on a baseball or softball team who fields the area nearest first base, the first of four bases a baserunner must touch in succession to score a run. The first baseman is responsible for the majori ...

from 1882 to 1890 in the

American Association American Association may refer to: Baseball * American Association (1882–1891), a major league active from 1882 to 1891 * American Association (1902–1997), a minor league active from 1902 to 1962 and 1969 to 1997 * American Association of Profe ...

External links

Baseball Almanac
1860 births 1910 deaths 19th-century baseball players Major League Baseball catchers Major League Baseball first basemen Philadelphia Athletics (AA) players Brooklyn Grays players Baltimore Orioles (AA) players San Francisco Reno players Philadelphia Athletics (minor league) players St. Paul Apostles players Duluth Whalebacks players Baseball players from Philadelphia
Jack O'Brien
at

SABR The Society for American Baseball Research (SABR) is a membership organization dedicated to fostering the research and dissemination of the history and record of baseball primarily through the use of statistics. Established in Cooperstown, New ...

(Baseball BioProject) {{US-baseball-catcher-1860s-stub