SMU quarterback Kevin Jennings is one of the highest-graded passers in America this season, per Pro Football Focus. The Mustangs will need his game to elevate even more without tight end RJ Maryland, who was lost for the season to injury. For SMU head coach Rhett Lashlee, he’s seeing the continued growth from the former South Oak Cliff High star. Against Stanford, he threw for career highs in passing yards (322) and passing touchdowns (3). He did throw an interception that at first glance was a bad decision, but Lashlee saw something more upon further review. Tight end Matthew Hibner and Jenni…