Thomas J. Gillen (May 18, 1862 – January 26, 1889) was a 19th-century

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 ...

during the 1884 season for the

Philadelphia Keystones The Philadelphia Keystones (also known as the Keystone Club of Philadelphia) were a professional baseball franchise. In 1884, they were a member of the short-lived Union Association. The team was owned by former player Tom Pratt. The Keystones w ...

of the

Union Association The Union Association was a league in Major League Baseball which lasted for just the 1884 season. St. Louis won the pennant and joined the National League the following season. Seven of the twelve teams who were in the Association at some poi ...

and during the 1886 season for the

Detroit Wolverines The Detroit Wolverines were a 19th-century Major League Baseball team that played in the National League from 1881 to 1888 in the city of Detroit, Michigan. In total, they won 426 games and lost 437, taking their lone pennant (and winning the pre ...

of the

National League The National League of Professional Baseball Clubs, known simply as the National League (NL), is the older of two leagues constituting Major League Baseball (MLB) in the United States and Canada, and the world's oldest extant professional team s ...

Sources

1862 births 1889 deaths 19th-century baseball players Baseball players from Philadelphia Major League Baseball catchers Philadelphia Keystones players Detroit Wolverines players Macon (minor league baseball) players Savannah (minor league baseball) players {{US-baseball-catcher-1860s-stub