Here are three observations from the second day of Bills training camp: While not an on-field note, running back James Cook has been in headlines throughout the offseason because of his contract dispute with the team. Cook wants a new deal and is entering the final year of his current one.

The Buffalo Bills drafted several defensive linemen hoping one would rise to the top, and it appears one in particular is doing just that.

Follow our daily updates from Bills training camp, including intel on the QBs, tight position battles and potential breakouts.