Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

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Referees attempt to break up fight in front of head coach John... News PhotoAmerican Football - Sport,American Football Referee,Baltimore Ravens,Coach,Effort,Gulf Coast States,Horizontal,John Harbaugh,Louisiana Superdome,NFL,New Orleans,People,Referee,San Francisco 49ers,Second Quarter - Sport,Sport,Stadium,Super Bowl,Super Bowl XLVII,USAPhotographer Collection: Getty Images Sport 2013 Getty ImagesNEW ORLEANS, LA - FEBRUARY 03: Referees attempt to break up fight in front of head coach John Harbaugh of the Baltimore Ravens between members of the Baltimore Ravens and the San Francisco 49ers in the second quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)