18 – Lefty Grove wins his 30th game of the season, 3–1 over the Chicago White Sox. September 27: In a doubleheader on the last day of the season, the St. Louis Cardinals win their 100th & 101st game of the season. The Cardinals spent eight games out of first place all season, and were never more than 1.5 games back. Lou Gehrig drives in his 184th and 185th runs of the season in a 13-1 blowout victory over the American League champion Philadelphia A's. His 185 runs batted in during the season is still an American League record to this day. October–December October 1 – The Reigning World Champion Philadelphia A's take game one of the World Series, 6–2 over the team they defeated in the 1930 World Series, the St. Louis Cardinals. October 2 – George Earnshaw grounds into a double play and strikes out to end two potential rallies for the Athletics. The Cards take game two of the Series, 2–0, behind Bill Hallahan's three hit performance. October 5 – Burleigh Grimes gives up just two hits, including a two-run home run by Al Simmons in the ninth, to lead the Cardinals to a 5–2 victory in game three. October 6 – George Earnshaw two hits the Cards to even the series at two games apiece. October 7 – Bill Hallahan wins his second start of the series, 5–1. October 9 – Sloppy play in the fifth and seventh innings leads to five unearned runs as the A's cruise to an 8–1 victory behind Lefty Grove. October 10 – The St. Louis Cardinals defeat the Philadelphia Athletics, 4–2, in Game seven of the 1931 World Series, earning their second World Championship title. Bill Hallahan pitches the final out for the Cards to end the series with a 0.49 ERA. October 31- The St. Louis Cardinals release pitcher Burleigh Grimes. Though Grimes would continue his MLB career, Grimes was the last pitcher who was legally allowed to throw a spitball. November 30 – George Gibson comes out of retirement to manage the Pittsburgh Pirates. Ten years earlier, Gibson had led the Pirates to three first-division finishes. December 4 – The Washington Senators trade Bump Hadley, Jackie Hayes and Sad Sam Jones to the Chicago White Sox for John Kerr and Carl Reynolds. December 11 – The Chicago Cubs trade future Hall of Famer Hack Wilson and pitcher Bud