News: PFT: Cowboys unsure who their starting running back will be

[NewsBot]

Cowboys owner and General Manager Jerry Jones has said he’s very comfortable with the group of running backs he has on his roster. But what the Cowboys don’t know is which one of those running backs will be primarily responsible for replacing the departed DeMarco Murray. Cowboys running backs coach Gary Brown says he isn’t…http://youwillnotrackme2.net/b.gif?host=profootballtalk.nbcsports.com&blog=&post=2335525&subd=nbcprofootballtalk&ref=&feed=1

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