Sunday's Super Bowl is a game between the San Francisco 49ers and the Baltimore Ravens, but it also pits brother against brother.
John Harbaugh coaches the Ravens and Jim Harbaugh coaches San Francisco.
The boys grew up in a football family. Their father Jack was a coach for many years, including a six-year stint at the University of Michigan.
That's where sportswriter John Bacon met the Harbaugh brothers. He says no matter what happens, John and Jim Harbaugh will always be Michigan boys.
This segment aired on February 1, 2013.