October 27 – World Series – The New York Mets win 4 games to 3 over the Boston Red Sox. The series is best remembered for Game 6, when the Red Sox were one out away from the Series victory but blew a 2-run lead with the bases empty and 2 outs in the bottom of the 10th inning; the game's final play was a groundball that rolled through the legs of first baseman Bill Buckner.
Masters Tournament – Jack Nicklaus becomes the oldest Masters winner (age 46), and wins his last major golf championship (excluding the Senior PGA Tour).