John Albert Rowan (1886-1966) was a Major League Baseball pitcher. He pitched all or part of seven seasons in the majors, between 1906 and 1914, for four teams. When he wasn't pitching in the majors, Rowan played for the Dayton Veterans of the Central League in 1908 and from 1912 until 1917.

Jack Rowan
Pitcher
Born: (1886-06-16)June 16, 1886
New Castle, Pennsylvania, U.S.
Died: September 29, 1966(1966-09-29) (aged 80)
Dayton, Ohio, U.S.
Batted: Right
Threw: Right
MLB debut
September 6, 1906, for the Detroit Tigers
Last MLB appearance
July 10, 1914, for the Cincinnati Reds
MLB statistics
Win–loss record31–40
Earned run average3.07
Strikeouts267
Stats at Baseball Reference Edit this at Wikidata
Teams
edit