Gladys Knight defends singing national anthem at Super Bowl - BBC News
Gladys Knight's Gorgeous Rendition of the National Anthem!
Gladys Knight Explains Her Decision to Sing the Super Bowl LIII National Anthem (Exclusive)
Gladys Knight Comments on Colin Kaepernick and Super Bowl
A deep dive into Mickey Guyton, Super Bowl LVI national anthem prop bet
Super Bowl: Gladys Knight's national anthem a gambling nightmare
How the over/under on the Super Bowl LIII's national anthem became a betting controversy - ESPN
The craziest prop bets you can place on Super Bowl 53 right now
Top 10 Craziest Prop Bets on Super Bowl LIII