New England Patriots tight end Rob Gronkowski(2nd-L) mixes it up with linebacker Bruce Irvin(R) of the Seattle Seahawks during a scuffles at the end of   Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. The Patriots defeated the Seahawks 28-24.   AFP PHOTO /  TIMOTHY  A. CLARY (Photo by TIMOTHY A. CLARY / AFP) (Photo by TIMOTHY A. CLARY/AFP via Getty Images)