Super Bowl National Anthem Props 2021 - Betting on the National Anthem
Controversy over Gladys Knight's national anthem prop bet
Super Bowl 2019 Prop Bets: Gladys Knight, Coin Toss, Trump Tweets
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2019 Super Bowl Prop Bets
WATCH: A preview of 'An Evening with Gladys Knight'
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Super Bowl 2019 prop bets results: Gladys Knight causes national anthem over/under controversy, defense steals show