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Nam Y. Huh/Associated Press

The Dallas Cowboys face the brutal task of trying to re-sign two superstars in wide receiver Dez Bryant and running back DeMarco Murray. In order to have any realistic shot at signing other free agents, it's unlikely that they can re-sign both players.

As the days go on, it seems more and more likely that Murray may be playing somewhere other than with the Dallas Cowboys in 2015. If that does end up as the case, who are the top potential players to replace the NFL's leading rusher?

Could it end up being a player who's already on the roster such as Joseph Randle? Or will the most likely replacement be a huge name like Adrian Peterson?

There were a few things taken into consideration when ranking Murray's potential replacement from one to five. For starters, the player must be a realistic option (no adding Arian Foster just for fun).

The player also needs to either be a free agent, be on the roster currently or have a good chance to see the free-agency market.

All things go aside from that, which includes the potential of rookie running backs wearing a star on their helmet.