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.

James Cook made a decision no one was expecting on Saturday. The Buffalo Bills' star running back was in uniform for their first preseason game against the New York Giants. The Democrat and Chronicle's Sal Maiorana reported the news like this:

Bills tight end Dawson Knox jokes around and links his hand through running back James Cook arms and waves to the coach during a brief break in practice at the Buffalo Bills train