On June 12 Major League Baseball players went on strike over the issue of free-agency compensation. The strike lasted 49 days.
The Los Angeles Dodgers win the World Series 4 games to 2 over the New York Yankees. The Series MVP is a three-way tie between Ron Cey, Pedro Guerrero, and Steve Yeager.
NCAA Men's Division I Basketball Championship:
Indiana wins 63-50 over North Carolina
NBA Finals:
Boston Celtics won 4 games to 2 over the Houston Rockets
04/11: Larry Holmes defeats Trevor Berbick by a unanimous decision to retain the WBC heavyweight title.
09/16: Sugar Ray Leonard defeats Thomas "Hitman" Hearns by knockout in round 14 to unify boxing's world Welterweight title.
10/3: Mike Weaver defeats James (Quick) Tillis by a unanimous decision to retain the WBA/World Boxing Association heavyweight title.
The Oakland Raiders defeat the Philadelphia Eagles 27-10 to win Super Bowl XV.
The New York Islanders defeat the Minnesota North Stars to win the 1981 Stanley Cup