September 4 - Ron Guidry wins 20th

This Day in Baseball - The Daily Rewind

September4, 2000, the Red Sox's defeat the Seattle Mariners, 5 – 1. Boston Outfielder, Carl Everett drives in his 100th ribbie of the year becoming only the sixth major-league switch-hitter to drive in 100 runs in both leagues. Pedro Martinez however, is the star of the day, striking out 11 in eight innings to go 7 - 0 over the M's.

Prior to the game, Boston retires Hall of Fame Catcher Carlton Fisk's uniform number 27. “Pudge”, as Fisk was known, was the author of perhaps the most famous homerun in Red Sox history, as he willed a towering shot to left to stay fair during game 6 of the 1975 World Series, The dramatic bomb broke a 6-6, 12th inning tie giving Boston the victory.

September 4, 1978 Behind Ron Guidry's 20th win and an 8 run 7th inning, the Yankees take the first game of a double header against Detroit, 9 - 1. Detroit wins the second, 5 - 4, to keep New York five games behind Boston. Guidry would go on to win 25 games and the AL Cy Young.

September 4, 1996 Andy Pettitte wins his 20th as the Yankees prevail over the A's, 10 - 3. Paul O'Neill and Tino Martinez hit solo homers in the 4th inning. The Yanks' last 20-game winner was Ron Guidry in 1985.

September 4, 1924, The Brooklyn Robins take a twin bill from the Braves, sweeping their forth doubleheader in four consecutive days. Four years later on September 4th 1928 the Boston Braves would begin a run of 9 consecutive doubleheaders establishing a Major League record that still stands. Unfortunately for the Beantown 9, they would drop 14 of the 18 contests during their twin bill marathon.