Dallas Cowboys offensive tackle Jermey Parnell (78) talks with owner Jerry Jones after an NFL preseason football game against the Oakland Raiders in Oakland, Calif., Monday, Aug. 13, 2012. The Cowboys... more 

Dallas Cowboys offensive tackle Jermey Parnell (78) talks with owner Jerry Jones after an NFL preseason football game against the Oakland Raiders in Oakland, Calif., Monday, Aug. 13, 2012. The Cowboys won 3-0. (AP Photo/Tony Avelar) less