Prime Sports Domains

CBS Sportsline
CNN/SI
ESPN
Fox Sports

Rivals Sports
Sporting Life - International Sports
The Sporting News
Sports.com

Sports Radio - CBS
Sports Radio - ESPN
Sports Radio - FOX
Yahoo Sports

National Basketball Association

National Hockey League

National Football League
Pro-Football Refernce
Pro Football Hall of Fame

Basketball Reference
Naismith Memorial Basketball Hall of Fame
National Basketball Association

Hockey Hall of Fame in Toronto
National Hockey League
USA Hockey

Soccer

Olympics

Baseball Almanac
Baseball America
Baseball Primer
Baseball Reference
Major League Baseball
MLB Network 
National Baseball Hall of Fame and Museum

2016 World Cup - Brazil
Euro 2012 - UEFA
FIFA Online
Major League Soccer
Soccernet: The Soccer Network
South American Football Confederation
Team Talk

2012 Summer Olympics - London, UK
2014 Winter Olympics - Sochi, Russia
2016 Summer Olympics - Rio de Janeiro, Brazil
International Olympic Committee
Special Olympics International
US Olympic Committee
USA Shooting

Tennis

Women's Sports

College Football Hall of Fame
College Hockey
NCAA Championships
NCAA Online

ATP Tour
International Tennis Federation Online
Tennis.com
Tennis Server

Women's Sports Foundation
Women's Sports Net
Women in Sports Timeline
WWW Women's Sports Page

Boxing

Professional Wrestling

Tickets

Boxing.com
International Boxing Hall of Fame 
World Boxing

Ring of Honor (ROH)
Total Nonstop Action Wrestling (TNA)
World Wrestling Entertainment (WWE)

E Teamz
StubHub!
Ticket Master