“Dirty play” on Calais Campbell may not have been

After Sunday’s loss to the Broncos, Cardinals coach Bruce Arians said of a low block from Denver tight end Julius Thomas on Arizona defensive lineman Calais Campbell, “That was the dirtiest play I’ve seen in 37 years,” Arians said. While the third quarter play, which wiped out a 77-yard touchdown reception from receiver Demaryius Thomas…