What to Watch For: New England Patriots Defense vs. Buffalo Bills Offense | Week 4 2026

It’s Bills week.

This Sunday, the New England Patriots (1-2) will face their most challenging test of the 2026 regular season yet, with the AFC East-rival Buffalo Bills (3-0) awaiting a rematch against the team that reclaimed the division title after five consecutive years. New England’s greatest test will come on the defensive side of the ball, as they look to devise a plan to contain Josh Allen and a high-powered Buffalo offense led by former coordinator and current head coach Joe Brady.

Here’s what we’ll be watching for when the Patriots’ defense lines up against the Bills’ offense:

What is there to say about Josh Allen that hasn’t already been said?

Allen has cemented himself as one of the NFL’s elite at the quarterback position through his nine-year career, and has the statistics and accolades to reinforce the reputation. The dual-threat quarterback has already accrued 30,000-plus career passing yards and has thrown for 225 touchdown passes while adding 4,835 rushing yards and 85 rushing touchdowns (second in the NFL behind Derrick Henry and already ranks as the league’s all-time leader for quarterbacks). 

The NFL’s Most Valuable Player in 2024 and three-time All-Pro (2020, 2023, 2024) has picked up right where he left off with Brady at the helm, and has expanded his command of the Buffalo offense as a result. But while Allen’s past success may be an indicator of his future performance, so might his continued turnover-prone proclivities.

Against the Los Angeles Chargers last week, Allen tossed two interceptions, lost one fumble, and was sacked four times — but didn’t generate nearly the same ire from national media as the quarterback on New England’s sideline did in a similar outing. On the season, Allen’s completed 56-of-86 passes (65.1% completion percentage) with 786 passing yards, five touchdowns, two interceptions, and has been sacked eight times.

Earlier this week, we took a closer look at how New England could devise a gameplan to contain Allen, which would feature tendency-breaking adjustments to keep eyes fixed on the backfield ready to neutralize the threat of the quarterback’s legs. Given the Patriots’ health — or lack thereof — in the secondary, more zone coverages may be a necessity. 

Last week, New England ran a much higher percentage of Cover 4 than at any point this year (eight snaps) as a measure to contain Trevor Lawrence. Cover 4 was a staple in their coverage scheme in 2025, and is what Los Angeles ran on each of Allen’s Week 3 interceptions. On the year, Allen is 3-of-6 with 54 passing yards and two interceptions when facing the coverage, but holds an EPA/dropback of +0.292 (10th, per SūmerSports). If the Patriots want to keep an extra defender at the second-level to account for Allen as a runner, they’ll likely trend toward Cover 3 — which Allen has seen most frequently in three games this fall. On 44 dropbacks, Allen has completed 28-of-39 passes with 343 yards, one touchdown and no interceptions, but ranks 18th in EPA/dropback at +0.098.

No matter the coverage scheme, Allen will find ways to make plays. To contain him, New England will need to be more situationally sound and cut drives short when presented the opportunity to do so. That’ll be easier said than done, especially with the support of an explosive rushing attack.

Allen may be the attention-grabber on the Bills’ offense, but running back James Cook has been the engine that’s made their balanced approach possible.

In 2025, Cook earned the NFL's rushing crown with 1,621 yards on 309 attempts (5.2 yards per carry), scored 12 rushing touchdowns, and added 33 receptions, 291 receiving yards, and two receiving touchdowns to his total. In 2026, he’s arguably been even better. In three games, Cook has racked up 346 rushing yards — including 154 yards against the Chargers last week — and leads the NFL with 6.0 yards per carry. 

Together, Allen and Cook have engineered a Buffalo rushing offense that’s averaged 155.0 yards per game, and tops the NFL in rushing touchdowns (eight), yards before contact (257), stuffed run rate (13.3%), EPA/rush (+0.08) and success rate (52.2%). Their success rate ranks over 10 percentage points higher than the next-best team in that category (Indianapolis Colts, 41.0%).

The Bills’ offense has been built around an effective and efficient early-down rushing attack, using the second-highest percentage of under-center plays (57.6%) and 13 personnel (one running back, three tight ends; 32.1%) to keep opposing defenses off-balance and their own offense ahead of-the-sticks. Buffalo has seen the highest percentage of heavy-box looks in the NFL (41.8%), but that has yet to yield any semblance of positive results for the defense — and doesn’t bode well for the Patriots.

Against the run, New England ranks 27th in the NFL in EPA/play against the run (+0.01) and 13th in success rate (41.3%) — even with a contest against the worst rushing offense in the league thrown into the mix in Week 2 against the Pittsburgh Steelers. The Patriots rank 19th in the league in yards per carry against (4.33), and boast an NFL-worst stuffed-run percentage of just 8.6%.

To find success against the Bills, New England will need to key-in on Cook and the Buffalo rushing attack — forcing the opposition into long downs-and-distances that will unlock one of the NFL’s best pressure packages.

If and when the Patriots do force the Bills into long-yardage situations, they’ll look to capitalize with several exotic blitz packages to generate pressure.

A gameplan that was first featured prominently by New England’s coaching staff in their playoff run last season has carried over into 2026, and with great effectiveness. Through three games, the Patriots have called the third-highest blitz-rate in the NFL (43.8%), and have generated pressure on 63.0% of blitzes (second league-wide).

Pressuring Allen will be key to forcing mistakes. When kept clean, Allen has completed 41-of-56 passes (73.2% completion percentage) with 510 passing yards, three touchdowns, one interception, and a passer rating of 111.5. When pressured, he’s completed 15-of-30 passes (50% completion percentage) with 276 passing yards, two touchdowns, one interception, eight sacks, and a passer rating of 90.4. His turnover-worthy play rate jumps from 3.2% to 8.0% when under pressure, per PFF.

Buffalo has allowed pressure at the eighth-highest rate in the NFL (44.6%), and their eight sacks allowed is tied for second-most across the league. They can be had as Allen holds the ball for over 3.13 seconds (fifth-highest time to throw among qualifying quarterbacks), but sending additional rushers may not always be the solution — and that could be problematic for New England’s four-man rush.

While the Patriots have found success pressuring opposing quarterbacks with a top-ten over pressure-rate of 43.8%, their success in that area has been predicated on adding additional bodies into the plan. With a standard four-man rush, New England’s pressure-rate drops off to just 30.4%, which ranks 28th in the NFL.

The Patriots’ front-four will need to find new life if they want to apply pressure against the Bills, but the potential return of Dre’Mont Jones could help that cause. Prior to missing Week 3 with a shoulder injury, Jones led all New England defensive linemen with a 24.2% pass-rush win-rate and 21.2% pressure rate. Second-year edge rusher Elijah Ponder’s team-high 16.4% pressure rate and one sack last week was also promising — now, he’ll need to string together another equally effective outing for the second straight week.

Buffalo will challenge the Patriots’ third-level defenders with a multiple personnel approach to create mismatches over the middle and along the boundary.

On the outside, offseason trade addition D.J. Moore has stepped into the de facto top wide receiver role for Buffalo and leads the team’s receiving corps with 11 receptions on 18 targets and 167 yards, and has scored one touchdown. Third-year wideout and former first-round pick Keon Coleman is his most efficient season thus far, with eight receptions on nine targets and 101 yards, while the usually-dependable Khalil Shakir has taken a step back with eight receptions on 15 targets and 94 receiving yards. Joshua Palmer is also a threat deep — he’s caught two passes on the year, and has scored touchdowns on both of them while racking up 77 yards.

Through three weeks, the Bills’ passing offense has stemmed from their running game and a heavy use of play-action and dual-threat tight ends. Allen’s registered the second-most total dropbacks off of play-action (42) and has run play-action at the highest rate in the NFL (41.6% of dropbacks). On such plays, Allen has completed 21-of-33 passes (63.6% completion percentage) with 259 passing yards, one touchdown, one interception, and a passer rating of 85.3. He leads the league with 18 first downs gained off of play-action in 2026.

Buffalo’s most productive pass-catching target in the first month of the season has been tight end Dalton Kincaid, who leads all Bills’ players with 14 receptions on 17 targets and 263 receiving yards, and has added one touchdown reception to his total. Behind Kincaid is the reliable Dawson Knox, whose usage rate has decreased, but his efficiency hasn’t. Knox has recorded four receptions on as many targets with 17 receiving yards and a touchdown in three games. Jackson Hawes also sees plenty of run in three tight-end sets, but is used primarily as a blocker and has only been targeted once as a receiver on the year. In 2025, he hauled in 16-of-19 targets, 187 receiving yards, and three touchdowns.

A high-rate of 13 personnel from the Buffalo offense will make for an interesting case study in regards to New England’s matching principles. Through two weeks, the Patriots refused to match offensive personnel and ran the highest percentage of nickel defense (five defensive backs) around the league (89.6%), while using base defense (four defensive backs) at the third-lowest rate (9.6%). That changed in Week 3 due to injuries at safety, but with Craig Woodson back in the lineup for Sunday, it will be worth monitoring how New England chooses to balance larger bodies against the run with defensive backs who can run with tight ends in coverage. 

Another week, another grim injury report for the Patriots as they head to Highmark Stadium.

New England’s defense will feel a major impact from the absences of cornerback Christian Gonzalez and defensive tackle Christian Barmore, who did not participate in practice this week and have both already been ruled out for Sunday with shoulder injuries. The Patriots’ secondary will almost assuredly be forced to run more zone coverages to compensate for the loss of Gonzalez, while the interior defensive line will also be down their most productive player against a rushing attack that’s sure to test New England between-the-tackles.

The Patriots also have an expanding list of players with questionable designations on the defensive side of the ball. Cornerback Channing Canada (hamstring), linebacker Christian Elliss (chest), edge rusher Dre’Mont Jones (shoulder), and safety Craig Woodson (shoulder) were all limited participants in practice and carry injury designations for New England heading into the weekend.

On the Bills’ sideline, wide receiver D.J. Moore (shoulder) was a limited participant but carries no designation, while Keon Coleman (ankle) and running back Ray Davis (hamstring) are both questionable for Buffalo. 

From elite talent under center and in the backfield to a unique use of personnel packages, the Bills’ offense is sure to present the Patriots’ defense with several challenges that will be ever-changing based on game scenario. New England will need to be ready for anything — and everything — in order to keep Buffalo in check. To claim victory, this will need to be their most situationally-sound, disciplined, and opportunistic performance of the young season.

What will you be watching for when the Patriots’ defense takes the field against Josh Allen and the Bills’ offense? Drop your thoughts in the comments below and join the conversation on Patriots Roundtable.

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