Backstage Reason Why Brock Lesnar Destroyed John Cena At WWE SummerSlam

Brock Lesnar and John Cena will be going head-to-head at Night of Champions on Sept. 21 at the Bridgestone Arena in Nashville and reports have surfaced over why "The Beast" was booked to win so dominantly over Cena at SummerSlam Sunday night at the Staples Center in Los Angeles.