Cardinals' David Blough to start at QB vs. Falcons after Colt McCoy has concussion symptoms pop up | CBS Sports Headlines Cardinals' David Blough to start at QB vs. Falcons after Colt McCoy has concussion symptoms pop up Arizona will start its fourth QB in five games ESN FeedsThis post … Continue reading Cardinals' David Blough to start at QB vs. Falcons after Colt McCoy has concussion symptoms pop up