Jessica Pegula stuns her friend Madison Keys: American sixth seed dethrones defending Australian Open champion with straight set victory; all about her life, career and net worth

Jessica Pegula advanced to her fourth Australian Open quarter-final, defeating defending champion Madison Keys in straight sets. The sixth seed secured a dominant 6-3, 6-4 victory at Rod Laver Arena. Pegula, who co-hosts "The Player's Box" podcast with Keys, will face either Amanda Anisimova or Wang Xinyu in the next round.