Robert Quinn ready to 'pin my ears back' with Dallas Cowboys Posted Jun 23, 2019 Now that Dallas Cowboys defensive end Robert Quinn finds himself in a defense that he believes is suited for his skill set, maybe the Quinn of old could be poised for another impact season. "I've really been impressed with his work habits," Dallas defensive coordinator Rod Marinelli said. "He's a real pro. He comes to work every day. Effort. Details." (NFL.com)