Las Vegas Raiders running back Alexander Mattison (ankle) was a full participant during Thursday's practice session. This is good news as it appears Mattison is ready to get back on the field for the first time since Week 11. However, Mattison is expected to be demoted to the backup role, according to head coach Antonio Pierce. Mattison was struggling on the ground before the injury, so it's not shocking to see the Raiders going in another direction. Sincere McCormick has looked solid in ...