Cowboys Hire Mike Pettine as Senior Defensive Assistant

• The Dallas Cowboys hired Mike Pettine as a senior defensive assistant.
• Defensive coordinator Christian Parker described Pettine as a 'right-hand man' rather than a 'save the day' hire.
• Pettine is a longtime NFL defensive coordinator and former head coach of the Cleveland Browns.
• Parker declined to comment on whether Pettine was a'save the day' hire.
• The hire comes after a rough start for the Cowboys' defense.