HOUSTON, TX - FEBRUARY 05: Referee Carl Cheffers looks on prior to Super Bowl 51 between the Atlanta Falcons and the New England Patriots at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Kevin C. Cox/Getty Images)
HOUSTON, TX - FEBRUARY 05: Referee Carl Cheffers #51 gestures during a review of the final touchdown in overtime during Super Bowl 51 between the New England Patriots and the Atlanta Falcons at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)
HOUSTON, TX - FEBRUARY 05: Referee Carl Cheffers #51 shakes hands with President George H.W. Bush and Barbara Bush prior to Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Bob Levey/Getty Images)
HOUSTON, TX - FEBRUARY 05: Matt Ryan #2 of the Atlanta Falcons speaks to referee Carl Cheffers #51 in the third quarter against the New England Patriots during Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Elsa/Getty Images)
HOUSTON, TX - FEBRUARY 05: Tom Brady #12 of the New England Patriots speaks to referee Carl Cheffers #51 prior to Super Bowl 51 against the Atlanta Falcons at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Kevin C. Cox/Getty Images)
