The Buffalo Bills just wrapped up their 3-day mandatory minicamp. Who stood out as winners and losers during the practices?

Buffalo Bills running back James Cook is in attendance at the team's mandatory minicamp despite an ongoing dispute over a new contract, according to CBS Sports' Jonathan Jones. Cook, the Bills' leading rusher in each of the past two seasons,

A person with knowledge of the situation says Buffalo Bills running back James Cook has put aside his contract concerns by attending the start of the team’s three-day mandatory series of practices