PGA Championship
Oct 1 PGA Championship Men's Golf, Inwood CC: Walter Hagen beats former champion Jim Barnes of England 3 & 2; Hagan's third major title
- Oct 2 Chicago White Sox backstop Ray Schalk becomes the first and only MLB catcher to make a putout at all bases; White Sox beat Indians 7-4
- Oct 5 First Baseball World Series radio broadcast; all-NY contest, Yankees beat Giants, 3-0 at Polo Grounds; sportswriter Grantland Rice is the caller
- Oct 5 Writer Grantland Rice does the announcing as the New York Giants-New York Yankees Baseball World Series is broadcast for the first time over radio (WJZ & WGY) - he is not at the game, but in the studio reading updates received by telegraph
- Oct 6 Fewest hits in a Baseball World Series game; NY Yankees beat NY Giants 3-0 at Polo Grounds in Game 2, on 3 hits to Giants 2
- Oct 9 Babe Ruth hits 1st World Series home run; only Sunday game ever pitched by Carl Mays
- Oct 10 NFL Decatur Staleys become Chicago Staleys, win 14-10
- Oct 13 Baseball World Series: NY Giants beat NY Yankees, 1-0 at the Polo Grounds for a 5-3 series win; final WS played in best-of-nine format; Yankees first ever WS appearance
- Oct 16 Jim Conzelman takes over as coach of Rock Island Independents from Frank Coughlin-only mid-game coaching change in NFL history
- Oct 23 Green Bay Packers play 1st APFA (forerunner to NFL) game; beat Minneapolis Marines, 7-6 at Hagemeister Park, Green Bay, WI
- Oct 31 Federation Sportive Feminine International forms (1st woman track & field association)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions