WWE SummerSlam 2015: Date, Start Time, Matches, Live Stream, PPV Info Bleacher Report As WWE announced on its official website, "ESPN SportsCenter, live from SummerSlam, will air Sunday from 10 a.m.-1 p.m. and 6-7 p.m. These broadcasts mark the first time ESPN's long-running sports-news franchise will be on-site for a WWE event.".