List of professional sports leagues
A list of professional sports leagues:
Auto racing
Baseball
Basketball
Billiards
Boxing
Bowling
Cricket
Curling
Equestrian
American and Canadian football
See also the full list of leagues of American footballAssociation Football (Soccer)
See List of association football competitionsGolf
Ice Hockey
See also the full list of ice hockey leaguesLacrosse
Rugby
Rugby Union
Rugby League
Tennis
See also