This provides a great example of the power of under-center play action: Just the slightest step forward by Tyrel Dodson (No. 25) and Jordyn Brooks (No. 20) allowed Charlie Kolar to get down the seam, a throw Jackson loves.

Which underdogs managed an upset in Week 9 of the 2025 NFL season? Below, we take a look at who defied the odds last week.

Legendary QB and current Fox Sports analyst Tom Brady didn't hesitate to name the best team in the NFL after Week 9.

While keeping a positive game script, the Bills out-physicaled the Chiefs and won the line of scrimmage. Running back James Cook went over 100 yards, and establishing that helped Bills quarterback Josh Allen gash the Chiefs defense on another of its weak points this season: play action.

The NFL landscape shifted slightly in Week 9, with multiple quarterback performances driving the change. The Kansas City Chiefs no longer look the league's best team after a poor outing from Patrick Mahomes.

Watch the top plays from Week 9 of the 2025 NFL season. Watch the top defensive plays from Week 9 of the 2025 NFL season.

Sunday showed how ludicrous an afternoon in the NFL can be. Leads crumbled. Upsets reigned. Contenders faltered.

On a more positive note, there are some previously injured players who are set to make their return in Week 9. After being sidelined since Week 2, Minnesota will bring back quarterback J.J. McCarthy, while the Los Angeles Rams will welcome back star wideout Puka Nacua.