Cowboys' Mike McCarthy reacts to Dak Prescott contract: 'I did cartwheels in the sand when deal was completed' | CBS Sports Headlines Cowboys' Mike McCarthy reacts to Dak Prescott contract: 'I did cartwheels in the sand when deal was completed' That’s quite the imagery from an excited head coach whose … Continue reading Cowboys' Mike McCarthy reacts to Dak Prescott contract: 'I did cartwheels in the sand when deal was completed'