James Cook was in attendance for the first day of the Bills' mandatory minicamp despite seeking a contract extension.

Buffalo Bills running back James Cook put aside his contract concerns — and avoided the potential of being fined — by attending the start of the team’s three-day mandatory series of practices on Tuesday.

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,