James Cook agreed to a new four-year contract with the Buffalo Bills. Now that business is taken care of, he needs to go out and perform in the preseason.

Buffalo general manger Brandon Beane -- during the second episode of Hard Knocks: Training Camp with the Buffalo Bills, which premiered Tuesday night -- made it clear he wants running back James Cook staying put,

Bills running back James Cook has ended his contract standoff by signing a four-year deal, Buffalo general manager Brandon Beane said.