This combo image shows San Francisco 49ers head coach Jim...

This combo image shows San Francisco 49ers head coach Jim Harbaugh, left, in Atlanta, and Baltimore Ravens head coach John Harbaugh in Foxborough, Mass., during their NFL conference championship games. (Jan. 20, 2012) Credit: AP

"Harbowl."

"Superbaugh."

Whatever you want to call it — the Harbaugh brothers are set to take over New Orleans in the Super Bowl on Feb. 3. Jim and John Harbaugh, the coaches of the San Francisco 49ers and Baltimore Ravens, respectively, are the first-ever sibling coaching tandem to play one another for the Lombardi Trophy.

HBO's 'Real Sports' caught up on its 2011 feature on the brothers in its first airing of 2013 on Wednesday. See a clip of the updated Andrea Kremer story above.

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