Sports' famous sibling rivalries

POSTED: 09:35 AM PST Jan 29, 2013    UPDATED: 06:38 AM PST Jan 31, 2013 
John and Jim Harbaugh

This Sunday head coaches John and Jim Harbaugh go head-to-head when the Ravens and 49ers clash in the Super Bowl. Take a look at other siblings who have met on the field, court and ice.