Super Bowl XLIX Football Operations Press Conference [Getty Images]

PHOENIX, AZ - JANUARY 29: (L-R) NFL Executive Vice President of Football Operations Troy Vincent, NFL Vice President of Officiating Dean Blandino and Super Bowl XLIX referee Bill Vinovich attend the Super Bowl XLIX Football Operations Press Conference on January 29, 2015 in Phoenix, Arizona. (Photo by Rob Carr/Getty Images)

Getty Images Sport Rob Carr