Minnesota Vikings head coach Mike Zimmer talks to line judge Bart Longson (2) during the second half of an NFL football game against the Detroit Lions in Detroit, Michigan USA, on Sunday, November 23, 2017. (Photo by Jorge Lemus/NurPhoto via Getty Images)
PHILADELPHIA, PA - NOVEMBER 26: Referee Walt Coleman (65) signals first down during a NFL football game between the Chicago Bears and the Philadelphia Eagles on November 26, 2017 at Lincoln Financial Field in Philadelphia, PA. Eagles won 31-3.(Photo by Andy Lewis/Icon Sportswire via Getty Images)
ARLINGTON, TX - NOVEMBER 23: Philip Rivers #17 of the Los Angeles Chargers questions a referee during a game against the Dallas Cowboys at AT&T Stadium on November 23, 2017 in Arlington, Texas. The Chargers defeated the Cowboys 28-6. (Photo by Wesley Hitt/Getty Images)
DETROIT, MI - NOVEMBER 23: An official picks up a ball during game action between the Minnesota Vikings and the Detroit Lions on November 23, 2017 at Ford Field in Detroit, Michigan. (Photo by Scott W. Grau/Icon Sportswire via Getty Images)
DETROIT, MI - NOVEMBER 23: An official gives a hand signal during game action between the Minnesota Vikings and the Detroit Lions on November 23, 2017 at Ford Field in Detroit, Michigan. (Photo by Scott W. Grau/Icon Sportswire via Getty Images)
