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

Bills coach Sean McDermott was able to convince running back James Cook to suit up and take a couple of handoffs in pregame warmups.

James Cook dressed in uniform to warm up prior to the Bills preseason opener Saturday at Highmark Stadium after Buffalo’s top running back sat out the final four practices of training camp in a contract standoff with the team.