The Dallas Cowboys spent all offseason working on their defense, but they still looked rough during the second quarter of their season opener.

The Dallas Cowboys spent all offseason working on their defense, but they still looked rough during the second quarter of their season opener.

Dallas Cowboys defensive coordinator Christian Parker saw his stock take the biggest hit after the Week 1 loss to the New York Giants.

Dallas’ defense had a brutal night against the Giants in Week 1.

There's no shortage of blame to pass around for the Dallas Cowboys loss on Sunday, but one person deserves the majority of the heat.

As bad it was for Dallas Cowboys defensive coordinator Christian Parker in his debut, the stats cut even deeper into the frustration for fans.