It's all in front of Johnny Manziel: The chance to silence the critics and prove he belongs in the NFL. On Sunday, Manziel can re-start his career. Manziel will start Cleveland's home opener against Tennessee - and fellow Heisman Trophy winner Marcus Mariota - because Josh McCown remains out with a concussion sustained when he was hit while trying to dive into the end zone on the opening drive last week in New York. More...