William John Gallagher was a

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), ...

outfielder An outfielder is a person playing in one of the three defensive positions in baseball or softball, farthest from the batter. These defenders are the left fielder, the center fielder, and the right fielder. As an outfielder, their duty is to cat ...

and

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

. He played 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 ...

for the 1883

Baltimore Orioles The Baltimore Orioles are an American professional baseball team based in Baltimore. The Orioles compete in Major League Baseball (MLB) as a member club of the American League (AL) American League East, East division. As one of the American L ...

, in 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 ...

for the 1883 Philadelphia Quakers and in 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 ...

for the 1884 Philadelphia Keystones.

External links

Baseball Reference.com page
Philadelphia Quakers players Philadelphia Keystones players Baltimore Orioles (AA) players Major League Baseball outfielders Major League Baseball pitchers Harrisburg (minor league baseball) players Baseball players from Pennsylvania 19th-century baseball players Date of birth missing Date of death missing {{US-baseball-pitcher-stub