Arizona Cardinals quarterback Logan Thomas throws a pass over San Diego Chargers outside linebacker Jeremiah Attaochu (97) during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Kellen Clemens throws a pass against the Arizona Cardinals during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers wide receiver Seyi Ajirotutu runs upfield against the Arizona Cardinals during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

Arizona Cardinals running back Jalen Parmele moves through the San Diego Chargers defense during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers quarterback Kellen Clemens calls a play while playing the Arizona Cardinals during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers tight end Mike Flacco, center, is hit from both sides by Arizona Cardinals linebacker Glenn Carson, left, and defensive back Eddie Whitley during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Seyi Ajirotutu escapes Arizona Cardinals defensive back Bryan McCann during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

Arizona Cardinals quarterback Logan Thomas, above, fumbles the ball as he is sacked by San Diego Chargers defensive end Cordarro Law during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. The ball was picked up by the Chargers on the play. (AP Photo/Lenny Ignelzi)

Arizona Cardinals kick returner Walt Powell, right, avoids San Diego Chargers' Branden Oliver on the kickoff return during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Gregory Bull)

Arizona Cardinals running back Jalen Parmele moves through the San Diego Chargers defense during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers wide receiver Javontee Herndon, above, hauls in a pass as Arizona Cardinals defensive back Bryan McCann defends during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

Arizona Cardinals quarterback Logan Thomas throws a pass while playing the San Diego Chargers during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Kellen Clemens drops back against the Arizona Cardinals during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

Arizona Cardinals quarterback Logan Thomas hands off to running back Stepfan Taylor while playing the San Diego Chargers during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers running back Marion Grice moves upfield while playing the Arizona Cardinals during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

Arizona Cardinals quarterback Logan Thomas, center, is sacked by San Diego Chargers defensive tackle Chas Alecxih, right, during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

Arizona Cardinals quarterback Logan Thomas (6) looks to throw while playing the San Diego Chargers during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers running back Branden Oliver, right, pushes off Arizona Cardinals linebacker Kevin Minter as he moves upfield during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Seyi Ajirotutu escapes from Arizona Cardinals defensive back Bryan McCann during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Seyi Ajirotutu escapes Arizona Cardinals defense during the first half of an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Philip Rivers gestures during warmup before facing the Arizona Cardinals in an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)

Arizona Cardinals quarterback Logan Thomas throws during warmup before facing the San Diego Chargers in an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers quarterback Philip Rivers talks with tight end Antonio Gates, left, during warmup before facing the Arizona Cardinals in an NFL preseason football game Thursday, Aug. 28, 2014, in San Diego. (AP Photo/Denis Poroy)