Running back James Cook joined the Bills in pregame warmups but declined to play in the team's preseason opener against the Giants on Saturday amid his contract dispute, coach Sean McDermott said.

The Buffalo Bills running back hadn’t worn any of his gear for a week. He wants a new contract and has applied his leverage by refusing to practice. To see Cook on the field Saturday — he even took a first-team rep in 11-on-11 warmup drills — was a jolt of hope.