 Another primary match on the Raw brand was for the WWE Championship between John Cena and Chris Jericho, which Cena won by pinfall after performing an FU.The main match on the undercard featured a Ladder match for the custody of Rey Mysterio's son Dominik between Mysterio and Eddie Guerrero, which Mysterio won by retrieving the briefcase suspended above the ring.SummerSlam is an annual pay-per-view, produced every August by World Wrestling Entertainment (WWE) since 1988.