According to Cardinals HC Bruce Arians, veteran QB Carson Palmer had already worn out his arm last year by the team season started from all the throwing he had done during the summer.
“He’s one of the hardest working dudes I’ve ever been around, so we had to really pull the reins back on him,” Arians said on the “Rich Eisen Show.” “He’ll overwork all the time. Last year, he came in to September, he had already worn his arm out by overthrowing all summer.