Dallas Cowboys linebacker Kyle Wilber, right, grabs Oakland Raiders strong safety Tyvon Branch’s helmet during a joint football practice on Tuesday,
Dallas Cowboys linebacker Kyle Wilber, right, grabs Oakland Raiders strong safety Tyvon Branch's helmet during a joint football practice on Tuesday, Aug. 12, 2014, in Oxnard, Calif. (AP Photo/Jae C. Hong) ( Jae C. Hong )