Arizona Cardinals running back Stepfan Taylor looks up as he waits to make a catch while warming up before facing the San Diego Chargers in 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)

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)

Arizona Cardinals kick returner Walt Powell, right, avoids San Diego Chargers' Branden Oliver and Adrian Phillips 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)