James Cook and Kyren Williams recently signed lucrative contract extensions. Which NFL running backs could be next to do so?

Buffalo Bills running back James Cook has agreed to a four-year, $48 million extension with the franchise, which includes $30 million guaranteed, per ESPN's Adam Schefter and multiple reports. Cook attended mandatory mini camp earlier this summer and decided to end his "hold-in" on Tuesday as a full participant in practice this preseason.

The Buffalo Bills ' contract drama with running back James Cook has come to an end. According to Cook's agent on Wednesday morning, the Bills have agreed to a four-year, $48 million deal with the running back that includes $30 million guaranteed.