Buffalo Bills running back James Cook has been a training camp hold-in with No. 4 wanting a new contract before stepping foot on the practice field, and so far, he’s been a bystander. Cook didn’t even participate in warm-ups prior to the first preseason game against the New York Giants as he still awaited a new contract.

Buffalo Bills running back James Cook resumed practicing, ending — temporarily, at least — his “hold-in” as part of a contract standoff that began on Aug. 3.

The countdown of the 30 most important Bills of 2025 continues with running back James Cook coming in at number 10.