It s the biggest party of the summer! In the rematch too big for WrestleMania The Beast Incarnate BROC LESNAR collides with UNDERTAKER on the summer s hottest stage! Can UNDERTAKER avenge his only loss at WrestleMania… or will The Conqueror take The Phenom to Suplex City and end the legend once and for all? In another blockbuster Summer Slam main event, it s Winner Takes All when United States Champion JOHN CENA takes on WWE World Heavyweight Champion SETH ROILLINS in a Title vs. Title Match. Who will walk out of SummerSlam with both Championships? With all this and much more, things heat up for WWE at SUMMERSLAM!