Dallas Cowboys quarterback Tony Romo throws a pass as the offense runs plays during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys tight end James Hanna makes a reception during an NFL football training camp practice, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Dez Bryant, right, pulls wide receiver Miles Austin, left, as they run a drill during NFL football training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys owner Jerry Jones welcomes local fans at the official opening of NFL football training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys running back Lance Dunbar (25) runs during a training camp practice at their headquarters Wednesday, July 25, 2012 in Irving, Texas. (AP Photo/James D Smith)

Dallas Cowboys cornerback Morris Claiborne (24) during a training camp practice at their headquarters Wednesday, July 25, 2012 in Irving, Texas. (AP Photo/James D Smith)

Dallas Cowboys receiver Cole Beasley (14) during a training camp practice at their headquarters Wednesday, July 25, 2012 in Irving, Texas. (AP Photo/James D Smith)

Dallas Cowboys tight end James Hanna (84) runs after a catch during a training camp practice at their headquarters Wednesday, July 25, 2012 in Irving, Texas. (AP Photo/James D Smith)

Dallas Cowboys quarterback Kyle Orton (18) talks with receiver Tim Benford (16) during a training camp practice at their headquarters Wednesday, July 25, 2012 in Irving, Texas. (AP Photo/James D Smith)

Dallas Cowboys coach Jason Garrett during a training camp practice at their headquarters Wednesday, July 25, 2012 in Irving, Texas. (AP Photo/James D Smith)

Dallas Cowboys owner Jerry Jones holds a news conference during NFL football training camp on Sunday, July 29, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Dez Bryant (88) talks with teammate quarterback Tony Romo (9) during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Dez Bryant looks on during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Miles Austin run during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo passes the ball during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys tight end Jason Witten runs the ball during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys defensive back Mike Jenkins looks on from the sidelines during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo drops back for a pass as he executes a play during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Dez Bryant runs a play during NFL football training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo passes the ball as he executes a play during NFL training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receivers Dez Bryant (88) and Miles Austin, right, talk during NFL football training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys tight end Jason Witten (82) talks with tight ends coach John Garrett during NFL football training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys cornerback Morris Claiborne (24) gets around teammate defensive back Justin Taplin-Ross (33) as they run a drill during NFL football training camp, Monday, July 30, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Miles Austin (19) gets around defensive back Orlando Scandrick (32) as the offense runs plays during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys tight end Jason Witten, left and linebacker Sean Lee (50) walk through an offensive play during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo, right, talks with head coach Jason Garrett as the offense runs drills during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo (9) hands off to running back DeMarco Murray (29) as they run a drill during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys tight end Jason Witten, left and linebacker Anthony Spencer, right, walk through an offensive play during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo walks off the field at the conclusion of the morning practice at NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Dez Bryant, left and wide receiver Miles Austin (19) joke around in between drills during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys quarterback Tony Romo directs his offense as they prepare to run a play during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)

Dallas Cowboys wide receiver Miles Austin bobbles the ball before making a reception during NFL football training camp, Tuesday, July 31, 2012, in Oxnard, Calif. (AP Photo/Gus Ruelas)