On September 19, 1931, Lefty Grove of the Philadelphia A’s wins his 30th game of the season. The future Hall of Famer shuts down the Chicago White Sox, 2-1. Grove will finish the season with a league-leading 31 victories.

he becomes the first player since Jim Bagdy to win 30 who accomplished the feat in 1920 for the World Champion Cleveland Indians. Only two more pitchers this century will win as many games, with Dizzy Dean winning 30 for the Cardinals in 1934 and Denny McLain earning 31 victories thirty-four years later for the Tigers.