By Chris Rosvoglou The Cardinals will be starting their fourth different quarterback this season. Moments ago, Kliff Kingsbury announced that David Blough will start against the Falcons. Kyler Murray began this season as Arizona’s starter. Unfortunately, he suffered a torn ACL earlier this month. Colt McCoy took over for Murray since he was the No. 2 option on the depth chart. It didn’t take long for him to get knocked out of the starting lineup with a concussion. After McCoy suffered a concussion on Dec. 18, the Cardinals turned to Trace McSorley. He had 217 passing yards, 14 rushing yards an…