Jessica knocks out champ Madison

By ELEANOR CROOKS

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Jessica Pegula returns a shot against (inset) Madison Keys. Below, Amanda Anisimova celebrates her win over China's Wang Xinyu

JESSICA Pegula was driven by extra motivation in her fourth-round win over defending Australian Open champion Madison Keys - avoiding wearing a Kansas City Chiefs jersey.

Pegula and Keys are close friends away from the court and present The Player's Box podcast together along with fellow American players Jennifer Brady and Desirae Krawczyk.

The pair agreed that the winner of the clash would get to choose a forfeit for the loser and, had Keys won, Pegula, whose parents own the Buffalo Bills, would have had to don a Travis Kelce/Taylor Swift Chiefs jersey.

“That was bad,’ said Pegula. “She was, like, ‘Mine's worse! I was, like, “What are you talking about? My family owns the Bills.

“This team has owned us in the postseason!

“All she has to do is eat a piece of pie. What is the big deal?