"He was just hitting holes. He is a downhill runner. On a couple of those inside-zone plays, he is just a straight-line guy, runs hard, like all of our backs do. He saw some creases and took them," Birk said Monday afternoon. "As great as Ray is, those guys that carry the ball, they take a beating, they get tired, and it's kind of nice to have a quality guy that can come in and spell him from time to time and give you a little bit different style, I guess, but also, obviously, to rest and rotate with Ray. A one-two punch is a good thing."