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 Buffalo Bills will have a fresh crop of rookie talent competing to see time on the field in the 2025 NFL season. GM Brandon Beane and company leaned into drafting almost exclusively on defense during the offseason, except for two selections.

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