Category:Lambeau Field - Wikimedia Commons
2012 Green Bay Packers season - Wikiwand
Nfl referee hi-res stock photography and images - Page 3 - Alamy
Referee/Arch-Nemesis For Rams@Chargers
Nfl linesman hi-res stock photography and images - Alamy
Miracle in Motown - Wikipedia
2011 Chicago Bears season - Wikipedia
Nfl referee hi-res stock photography and images - Page 3 - Alamy
Nfl linesman hi-res stock photography and images - Alamy
Nfl referee hi-res stock photography and images - Page 3 - Alamy
NFL announces Carl Cheffers as Super Bowl LVII referee - CBS