By Nick SardisStaff writer nsardis@oklahoman.comDEL CITY — Se'Vaughn Sephus made sure he was prepared for last week’s game against Deer Creek. The Del City senior defensive end knew he was going to face a solid offensive line, so he dedicated a bunch of his time to watching film and studying the Antlers with his dad. When the lights turned on Friday night at Del City’s Robert Kalsu Stadium, Sephus put on a show. “It was pretty much like I knew what they were going to run the moment they lined up,” Sephus said.Read more on NewsOK.com