Sports' famous sibling rivalries

POSTED: 10:35 AM MST Jan 29, 2013    UPDATED: 07:38 AM MST 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.