- Oct 2 NY Yankees win 3rd straight AL East title beating Boston Red Sox, 5-4 in a dramatic single playoff game; Ron Guidry wins #25 aided by Bucky Dent's 3-run homer
Baseball Record
Oct 6 Royals' George Brett hits 3 HRs, Yanks win championship game 3, 6-5

George Brett
Event of Interest
Oct 8 American Mario Andretti in a Lotus finishes 10th in the season ending Canadian Grand Prix at Île Notre-Dame Circuit, but wins his first Formula 1 World Drivers Championship by 13 points from Ronnie Peterson

Mario Andretti
- Oct 10 Yanks & Dodgers play in World Series # 75
Baseball Record
Oct 11 Dodgers Bob Welch dramatically strikes out Reggie Jackson in 9th

Reggie Jackson
- Oct 13 Graig Nettles at 3rd makes many spectacular plays in WS game 3 as Guidry beats Dodgers, after trailing 2 games to 0 Yanks win next 4
- Oct 14 NY Yank Reggie Jackson causes World Series controversy by getting in the way of a throw to 1st & deflects the ball away
Event of Interest
Oct 14 Despite Denis Potvin hat trick in 3:21 NY Islanders lose 7-10 making Islander record when scoring a hat trick-22-2-1

Denis Potvin
- Oct 17 NY Islanders start a streak of 23 undefeated games at home (15-0-8)
- Oct 17 NY Yankees beat Dodgers, 4 games to 2 in 75th World Series
- Oct 17 Yanks win 22nd World Championship capping their great comeback year
- Oct 18 NY Islanders 1st scoreless tie, vs LA Kings
- Oct 22 New York City Marathon: Grete Waitz of Norway wins in her race debut in world record 2:32:30; Bill Rodgers wins his third straight title in 2:12:12
- Oct 22 Grete Weitz runs female world record marathon (2:32:29.8)
- Oct 24 NHL Toronto Maple Leafs set own team record of 28 pts vs NY Islanders
- Oct 25 Padres Gaylord Perry is 1st to win Cy Young in both leagues (NL)