Not only did DeMarco Murray set a Dallas Cowboys record by running for 1,845 yards last season, but he won the NFL's rushing crown.
That bolsters his resume, but not necessarily the likelihood he'll stay in Dallas.
When free agency begins Tuesday, Murray could find the waters a bit tepid. Whereas having a strong running game used to be the cornerstone of the vast majority of top-shelf teams — and it certainly helped the Cowboys in 2014 — a lot of franchises are perfectly comfortable cutting corners in that department these days.
There's also a glut of familiar running backs on track to hit the open market, among them San Francisco's Frank Gore, Baltimore's Justin...