The reigning NFL MVP looks to have everything under control. Plus, Keon Coleman’s development, the offensive line’s depth and fresh faces on defense.

On the first play of team drills, defensive tackle Ed Oliver exploded to get to James Cook in the backfield. Defensive tackle Greg Rousseau broke through the line of scrimmage and batted down a pass from Josh Allen on the ensuing snap. Allen and backups quarterback Mike White threw interceptions in team work.

In terms of Day 4 of training camp, what stood out the most? Here are three observations from the fourth day of Bills training camp: Oliver was on fire on Day 4. Per multiple reports including Syracuse.