Lions cornerback Terrion Arnold was arrested and booked on four counts of kidnapping and four counts of armed robbery on Wednesday, and is now facing up to life in prison if convicted. Arnold, 23, turned himself in to authorities on a warrant at the Orient Road jail in Tampa, Fla., the Detroit Free Press reported . He remained in custody as of 10:46 p.m.  In a statement released through Arnold’s representative, Arnold “categorically denies any involvement in the matters underlying the