DeMarco Murray is a game-changer

IRVING, Texas -- The power. The fury. The feet. The speed.

What a joy it is to watch DeMarco Murray run the football -- unless, of course, you're trying to tackle him.

Since the day Tony Romo became the Dallas Cowboys' starting quarterback in 2006, Jerry Jones has always surrounded him with quality receivers from Terry Glenn to Keyshawn Johnson to Terrell Owens to Miles Austin and Dez Bryant.

Jerry became so infatuated with acquiring receivers that he forgot how much a star runner could help Romo. Odd, considering Emmitt Smith played 13 seasons with the Cowboys.

Marion Barber and Julius Jones were one-dimensional runners easily suffocated by defensive coordinators, who took away their strengths. A niche running back such as Felix Jones prefers to share the load, which is not conducive to being a star, and a guy like Tashard Choice always yearned to do more than his talent would allow.

Each of those runners had 100-yard performances and some unforgettable moments for the Cowboys.

None compare to Murray, who's so good he makes Romo a better quarterback and Jason Garrett a better coach.

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