The two-time Pro Bowl running back's extension has now been valued at $46 million. It tacked on four years to his rookie deal, locking him into the team through the 2029 season. But the piece that must be noted first is the fact that Cook is guaranteed $28.82 million on the deal, which ranks third in the NFL behind Saquon Barkley and Ashton Jeanty.

Ending what had been the biggest story line to date from Buffalo Bills training camp, on Wednesday, the Bills and Pro Bowl running back James Cook came to terms on a four-year, $48 million contract extension with $30 million guaranteed.

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.