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,

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.

Additionally, he can show up and do nothing, citing a bruised pinky finger as the reason, and avoid the fine. So there are multiple ways this could go, but for one of Buffalo's most prized offensive weapons, it isn't ideal for the franchise's Super Bowl hopes if a key piece is missing.