NFL Christmas Day Tripleheader Discussion - Daily Norseman
Seven ways NFL players stay warm in frigid conditions - NFL - ESPN
The Snowplow Game Changed NFL Rules Forever - FanBuzz
Pushing snow across the road is illegal and punishable by law
New NFL rule makes it illegal for non-players to clear snow
NFL players navigating without agents remains tricky situation
Winners and Losers of NFL Week 15 - The Ringer
Vikings Playing for Early NFC Favorite Status Tonight - Daily Norseman
NFL rule to penalize moves like Indianapolis Colts' in snowy Buffalo
Down by Contact NFL Football Operations
Snow-clearing penalty drifts into the 2018 rulebook – Football Zebras
Why NFL won't make rule change on QB sneak push: At least nine