Thomas Patrick Dunn (March 15, 1900 – January 20, 1976) was a professional baseball umpire who worked in the National League from 1939 to 1946.
Dunn umpired 1146 regular season Major League Baseball (MLB) games in his 8-year career.
He also umpired in the 1944 World Series and the 1943 All-Star Game.
[1] The first major league game that Dunn umpired – between Boston and Brooklyn on June 27, 1939 – lasted 23 innings, one of the longest games in MLB history.
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