Night 1 of SummerSlam is already in the books, and the show ended on a shocking note. After CM Punk defeated Gunther to win the world heavyweight championship, Seth Rollins made a shocking return to attack Punk with the Money in the Bank briefcase, cash in his contract and win the title.

WWE SummerSlam got off to a thrilling start on Saturday and there is plenty more to look forward to TONIGHT. John Cena will defend his Undisputed WWE championship against the man he won it from,

John Cena's shocking heel turn at Elimination Chamber stunned the WWE universe after he wrestled as a babyface for many years, but it appears fans might be getting the old Cena back.