This article was originally published on www.si.com/nfl/bills as James Cook's contract stand-off gets weirder during warm-ups for Bills' exhibition. It's something new everyday when it comes to the unconventional contract "stand-off between the Buffalo Bills and running back James Cook, and, to be honest, it's getting weird.

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.