Thomas Anthony Flanigan (born September 6, 1934, at Cincinnati) is a retired American professional baseball player: a 6 ft 3 in (1.91 m), 175 lb (79 kg) left-handed pitcher who appeared in three Major League Baseball games over the course of a seven-year professional career — two games for the 1954 Chicago White Sox and one for the 1958 St. Louis Cardinals. Flanigan allowed three hits and one run in 2⅔ MLB innings pitched, with two bases on balls and no strikeouts. In 246 minor league games from 1952 to 1958, he won 55 of 100 decisions.