WrestleMania XXVIII had three matches in the upper card. In the first main event, The Undertaker defeated Triple H in a Hell in a Cell match via pinfall, officiated by WWE Hall of Famer Shawn Michaels, extending his WrestleMania streak to 20–0. The second main event featured CM Punk retaining the WWE Championship against Chris Jericho, via submission. The third main event featured The Rock defeating John Cena via pinfall in a "Once in a Lifetime" match, announced a year in advance.