CM Punk defeated Gunther to win the World Heavyweight Championship at SummerSlam 2025, but Seth Rollins, who faked an injury to pay in his Money in the Bank briefcase, won the title just seconds later.

CM Punk suffered the humiliation of a short World Championship title reign at SummerSlam, but he’s still only seventh on the all-time list. Seth Rollins screwed CM Punk at SummerSlam with a shocking Money in the Bank briefcase cash in after the main event.

At SummerSlam 2025, CM Punk's World Heavyweight Championship victory was short-lived as Seth Rollins cashed in his Money in the Bank contract. Drew Mc