Zach Jones and Derek Kramer talk with Sal Capaccio live from Bills practice as James Cook returns to the field after a week of sitting out of practice.The guys also talk about James Cook's return to practice and what this means for the negotiation process. Are the two sides closing in on a deal or is Cook trying to gain leverage back in his favor? Zach and Derek talk about the way the negotiations in running back contracts have changed based on how teams utilize players at that position. The guys also talk about the injuries that've popped up so far for the Bills this preseason. They discuss Cole Bishop's lack of practice time along with another injury sustained on the practice field in Tuesday's practice.