Similar Concept:
NBC Sports (NFL Sunday Night Football) - nbcsports.msnbc.com

The Masters - www.masters.com
(allows users to select various cameras from the course)

Major League Baseball - mlb.com
(allows viewing on multiple devices and multiple games)

Additional League Sites:
NBA - nba.com
NFL - nfl.com
NHL - nhl.com

Other Leagues to be covered in future:
Major League Soccer - mls.com
PGA - pga.com

Other strong video player sites:
HBO Go - (HBO Series On-Demand) hbogo.com
Cinemax Go - (Cinemax On-Demand) maxgo.com
Hulu - hulu.com

Is there another sport that you would like to see highlighted in the future?
Soccer
Golf
NASCAR
MMA
Action Sports