 American Tommy Paul reached the quarterfinals after winning in straight sets yesterday. He'll play defending champ Carlos Algaraz tomorrow. And 14-seed Ben Shelton is out after losing to Italian tennis legend Yannick Sinner. John Cena announced he is retiring from professional wrestling next year. The wrestler-turned-actor delivered the news in a heartfelt speech Saturday to a stadium filled with WWE fans in Toronto. Cena promised a farewell tour with dozens of dates and an epic final night.