Most successful pro sports franchises

POSTED: 08:36 PM MST Jan 30, 2013    UPDATED: 09:14 AM MST Feb 01, 2013 
Playoffs Frank Gore and 49ers

On Sunday, the 49ers will try to win their sixth Super Bowl title to tie the Steelers with the most crowns in NFL history. Take a look at some of the other most successful franchises in pro sports.