San Diego Chargers' Gary Banks is tackled by Dallas Cowboys safety Danny McCray on a punt return during their NFL preseason football game Saturday, Aug. 21, 2010 in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Philip Rivers signs autographs before an NFL preseason football game against the Dallas Cowboys Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Gregory Bull)

Football fans arrive for an NFL preseason football game between the San Diego Chargers and the Dallas Cowboys Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Malcom Floyd, is tackled by Dallas Cowboys cornerback Cletis Gordon during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers coach Norv Turner watches his team play against the Dallas Cowboys during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

Dallas Cowboys head Wade Phillips wathes his team play against the San Diego Chargers during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers safety Steve Gregory, right, goes around Dallas Cowboys cornerback Orlando Scandrick during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

Dallas Cowboys safety Barry Church scores as San Diego Chargers quarterback Philip Rivers fails to make the stop as running back Darren Sproles looks on during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Darren Sproles fumbles under pressure from Dallas Cowboys linebacker Bradie James during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Gregory Bull)

Dallas Cowboys linebacker Keith Brooking, left, brakes up a past intended for San Diego Chargers tight end Antonio Gates during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Malcom Floyd, right, hauls in a pass in front of Dallas Cowboys cornerback Terence Newman during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Chris Carlson)

Dallas Cowboys quarterback Tony Romo (9) leaves the field next to San Diego Chargers' Shaun Philips, right, after an NFL preseason football game in San Diego Saturday, Aug. 21, 2010. The Cowboys won 16-14. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Buster Davis leaves the field after an NFL preseason football game against the Dallas Cowboys in San Diego Saturday, Aug. 21, 2010. The Cowboys won 16-14. (AP Photo/Denis Poroy)

Dallas Cowboys tight end Martellus Bennettm reaches for extra yardage in front of San Diego Chargers linebacker Darry Beckwith during the second half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Jonathan Crompton reacts as Dallas Cowboys linebacker Victor Butler hits the ball from behind to cause a safety during their NFL preseason football game Saturday, Aug. 21, 2010 in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers wide receiver Seyi Ajirotutu, left, hauls in a pass around Dallas Cowboys safety Akwasi Owusu-Ansah during the second half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Seyi Ajirotutu, right, runs around cornerback Dallas Cowboys' Cletis Gordon during the second half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Gregory Bull)

Dallas Cowboys tight end Martellus Bennett celebrates his touchdown against the San Diego Chargers during the second half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Shawnbrey McNeal, right, goes around Dallas Cowboys cornerback Mike Jenkins during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

Dallas Cowboys running back Felix Jones, brakes away from San Diego Chargers defensive tackle Cam Thomas during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Philip Rivers throws against the Dallas Cowboys during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Chris Carlson)

Dallas Cowboys quarterback Tony Romo throws against the San Diego Chargers during the first half of an NFL preseason football game Saturday, Aug. 21, 2010, in San Diego. (AP Photo/Chris Carlson)