Here are NFL officials in action this wild card weekend.
Click on a photo to start the gallery.
Chad Hill (Tampa Bay Buccaneers)
Paul King (Indianapolis Colts)
Walt Coleman and Mike Weatherford (Baltimore Ravens)
Brian Bolinger and Keith Washington (Baltimore Ravens)
Anthony Jeffries (Baltimore Colts)
Brad Allen (Indianapolis Colts)
Mike Weatherford (Baltimore Ravens)
Paul King (Buffalo Bills)
Dan Ferrell (Chicago Bears)
Scott Novak (Washington)
Brad Allen (Buffalo Bills)
Brad Freeman and Mike Weatherford watch referee Jerome Boger flip the coin. (Baltimore Ravens)
Jerome Boger (Tennessee Titans)
John Hussey (Seattle Seahawks)
Brad Allen (Buffalo Bills)
Alternate Perry Paganelli (Buffalo Bills)
From Getty Images: