In North America Probably Hockey,Baseball or American Football.
Gillette Summer Sports Reel - 1950 was released on: USA: 2 June 1950
Columbia World of Sports King of the Pins - 1950 was released on: USA: 1950
Baseball
hotpotato
Pensby Sports College was created in 1950.
Ratnam Sports Club was created in 1950.
baseball
Foot ball
It is called: Gray's Sports Almanack 1950-2000
baseball
Monterey Sports Car Championships was created in 1950.
Swiss Sports Personality of the Year was created in 1950.