Roman Reigns will return to the main event of SummerSlam after three years and defend his World Heavyweight Championship against Seth Rollins at the biggest party of the Summer. WWE has confirmed the lineups for both nights of the show. Reigns and Rollins will close the second night. This will be Rollins’ second proper SummerSlam main event. He main evented SummerSlam 2019 against Brock Lesnar. At SummerSlam 2025, he made a shocking return after night one’s main event between CM Punk and Gunther.