Has the Super Bowl ever gone to overtime? - Sports Illustrated
Has a Super Bowl ever gone into overtime? - Quora
This Time It Took Overtime but the Patriots Are Back in the Super Bowl Yet Again - The New York Times
Patriots Defeat Falcons in First Super Bowl Overtime Game
What was the last Super Bowl to go into overtime? - The San Diego Union-Tribune
2019 Super Bowl overtime rules, explained
The NFL's Overtime Rules Aren't Fair — but Neither Are the Alternatives - The Ringer
Super Bowl overtime history: Has the game ever gone to OT? When was last game to go to OT? - DraftKings Network
Super Bowl LI: Patriots beat Falcons 34-28 in overtime
The Falcons lost a Super Bowl due to NFL's overtime rules
NFL overtime: How does it work? Regular season and postseason rules explained
Could Super Bowl 49 be the first to go to overtime?
First-Ever Overtime Super Bowl Attracts 111.3 Million TV Viewers - WSJ