The Chicago Bears played host to the Buffalo Bills for a joint practice Friday at Halas Hall. Here are nine observations from another busy day in Lake Forest.

The Buffalo Bills ' contract drama with running back James Cook has come to an end. According to Cook's agent on Wednesday morning, the Bills have agreed to a four-year, $48 million deal with the running back that includes $30 million guaranteed.

The NFL standout tells The Reporter about his unique relationship with Josh Allen and shares his thoughts about social media reaction to his kids joining him in a drifting car for the first episode.

In the midst of the Buffalo Bills and James Cook figuring out his contract this week, there was a "Hard Knocks." The second episode of HBO's show following the Bills around aired. Did you miss the bits from it? Here are three quick takeaways from this week's episode:

It's never a good sign when the highlight of the Buffalo Bills' first half is an interview with a player not in uniform.

Caleb Williams' 36-yard passing touchdown in the opening drive of the Bears' preseason matchup against the Bills got fans talking.

The FOX broadcaster's preseason gaffe occurred during Buffalo's 38-0 loss to Chicago when discussing Josh Allen's recent MVP award.