Seahawks, not refs, blew Super Bowl XL against the Steelers - Sports Illustrated
Bill Leavy, officiating supervisor and referee, dies at 76 – Football Zebras
Every Super Bowl Ranked, From Worst to Best of All Time - Men's Journal
The Seahawks have lost two Super Bowls, which one would you rather have back? - Field Gulls
Seahawks, not refs, blew Super Bowl XL against the Steelers - Sports Illustrated
Urban Legends of the NFL: The Fixing of Super Bowl XL, News, Scores, Highlights, Stats, and Rumors
Super Bowl XL Referee calls (Seahawks v Steelers) : r/nfl
Questionable Calls: Super Bowl XL : r/nfl
Questionable Calls: Super Bowl XL : r/nfl
Super Bowl 2018: Eagles got 1st win, even though history says it's hard