The Dallas Cowboys were forced to carry four running backs on their 53-man roster to start the season due to the unknown availability of Ezekiel Elliott for the entire 2017 season. But luckily, Elliott's fate for the rest of the season may be determined as soon as sometime next week. That means the Cowboys could decide to finally cut ties with one of their veteran running backs, Alfred Morris or Darren McFadden, if Elliott avoids suspension this year.
I'm not trying to jump the gun here or anything, but I believe having Alfred Morris and Darren McFadden is an unneeded luxury, especially when roster spots are so valuable. This is even more true considering the fact David Irving will be returning from his four-game suspension after this week's matchup against the Los Angeles Rams. Irving would be a welcomed addition on defense, but finding him a roster spot isn't going to be easy.
Hopefully we will know whether or not Ezekiel Elliott can play the remainder of the season before a roster spot is needed. If #21 is suspended though, Irving would likely take his roster spot, because Elliott would have to start serving his suspension immediately. But, if Elliott is cleared to play, I think Morris or McFadden's job security is in doubt.
Let's break this down a little bit further to determine whether or not the Dallas Cowboys should cut ties with Alfred Morris or Darren McFadden.

Alfred Morris
It was a complete shock that the Dallas Cowboys decided to go with Alfred Morris as the primary backup running back to Ezekiel Elliott to start the 2017 season. Nearly everybody thought that Darren McFadden was the surefire RB2, but supposedly the Cowboys coaching staff believed Morris outplayed him in preseason and in practices.
Alfred Morris may have suited up the first three weeks of the season as the RB2, but you wouldn't know it by his involvement on game day. To date, he has only four rushing attempts for 1 yard and a total of only nine offensive snaps. I doubt there's another backup running back in the entire NFL to play less snaps than Morris. To me, that signals a wasted roster spot.

Darren McFadden
The fact that Alfred Morris has been active every week of the 2017 season and Darren McFadden inactive might be the only thing we need to know in regards to how the coaching staff views the RB position. It's a scary thought to think Morris has outplayed McFadden the point where he's among the inactive's every week.
It may just be me, but that kind of indicates that if a roster spot was needed and it came down to Alfred Morris or Darren McFadden, the latter might be without a job sometime soon. Of course, we know that these types of roster moves typically comes down to who is making the most money. Unfortunately, that's not in McFadden's favor either. McFadden's cap hit in 2017 is $695,000, while Morris' is $2,137,500. Money speaks!
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All of this may come to nothing though. There is no way of determining whether or not the Dallas Cowboys coaching staff plans to cut ties with Alfred Morris or Darren McFadden anytime soon. It may make sense to me, but they obviously value their veteran RBs more than I do.
I personally think Rod Smith is capable of becoming the RB2 if Elliott is indeed able to play the entire 2017 season. He looked better than any of the RBs on the Cowboys roster, not named Ezekiel Elliott, in the preseason and off-season practices. But, he has never had to hold down such a significant role so far in his NFL career.
Regardless, a roster spot is soon to be needed and to me the running back position would be the one I target. Depth at the cornerback position is needed due to inexperience and injuries, and the same can be said about linebacker. It's doubtful that they cut anybody along the defensive line or just about anywhere on offense except RB. Wide receiver could be a possibility, but the youth the Cowboys currently have shows quite a bit of promise.
So, you can see why I believe Alfred Morris or Darren McFadden could be seeing their time with the Dallas Cowboys coming to an end. Who knows? Maybe the Cowboys decide they don't need either RB if Ezekiel Elliott remains available, but that's probably unlikely.