Sports Links:

Archery:
FITA Federation Internationale de Tir a l'Arc

Automobile Racing:
CART Championship Auto Racing Teams
IRL Indy Racing League
USAC United States Auto Club
FIA Formula 1
NASCAR National Association for Stock Car Auto Racing

Badminton:
IBF International Badminton Federation

Baseball:
MLB Major League Baseball
Little League Little League baseball

Basketball:
FIBA Federation Internationale de Basketball Amateur
NBA National Basketball Association
WNBA Women's National Basketball Association
NCAA National Collegiate Athletic Association

Boxing:
WBA World Boxing Association
WBC World Boxing Council
IBF-USBA International Boxing Federation

Cricket:
Cricinfo Cricket

Curling:
WCF World Curling Federation

Football:
Association Football (Soccer):
FIFA Federation Internationale de Football Association
UEFA Union des Associations Europeennes de Football
MLS Major League Soccer

Australian Football:
AFL Australian Football League

Gridiron Football (North American):
CFL Canadian Football League
Canadian football championships Grey Cup

NFL National Football League
NFL championships Superbowls

Gaelic Football:
GAA Gaelic Athletic Association

Indoor ("Arena") football:
AFL Arena Football League
AFL2 Arena2 League
NIFL National Indoor Football League
UIF United Indoor Football Association
AIFL Atlantic Indoor Football League

Rugby Football:
Rugby League:
IRL International Rugby League
Super 12 Super 12 Rugby League

Rugby Union:
IRB International Rugby Board

Hockey:
Field Hockey:
FIH International Hockey Federation

Ice Hockey:
IIHF International Ice Hockey Federation
NHL National Hockey League

Hurling:
GAA Gaelic Athletic Association

Volleyball: Beach and Indoor
FIVB Federation Internationale de Volleyball
Volleyball World Wide volleyball.org