Despite still waiting for a new contract extension, James Cook chose to attend this week's Buffalo Bills mandatory minicamp. Various other NFL stars seeking a new extension opted to skip minicamp during negotiations.

Even though there are major differences between Cook and Buffalo, a major update was revealed on the playmaker on Tuesday. Despite being involved in a contract dispute, Cook showed up to the team's mandatory minicamp, according to ESPN NFL insider Adam Schefter.

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