For the 21st consecutive year, the Superstars of WWE come together for the Biggest Party of the Summer at SummerSlam. Some of WWE's most memorable moments have come on the SummerSlam stage, and last year's event, which saw the triumphant return of Triple H and Rey Mysterio, was no exception. This year will see some intense rivalries come to a head, and many of the biggest superstars in WWE will participate in career-defining moments.
