NFL admits officiating mistake in Vikings win over Bills
Refs robbed Vikings DB Chandon Sullivan of two touchdowns against
NFL history: 100 people who shaped the league, pro football
NFL - The San Diego Union-Tribune
Refs admit they almost screwed the Vikings during win over Bills
Vikings beat Bills, Officials to move to 8-1 - Daily Norseman
NFL history: 100 people who shaped the league, pro football
Star Tribune's 5 Takeaways; CBS Grades Vikings-Bills
New York Giants History - Big Blue Interactive
NFL - The San Diego Union-Tribune
NFL - The San Diego Union-Tribune
Dean Blandino dissects refs' mistake in Vikings-Bills thriller
Bill Vinovich named referee for Super Bowl LIV