Jets Interior Reset: Darrell Jackson Jr. and Jowon Briggs Carry the Week 9 Load

The New York Jets have a new problem in the middle of their defense, and the first answer was not one replacement. It was a three-man workload. With T'Vondre Sweat on injured reserve because of a knee injury, Jowon Briggs played 49 defensive snaps against Las Vegas, rookie Darrell Jackson Jr. played 42 and Harrison Phillips played 38. Those shares were 78%, 67% and 60%, respectively, according to the team's November 2 notebook.

That rotation matters because Sweat was the 366-pound anchor New York expected to absorb double teams and close interior run lanes. The Jets did not simply plug one player into his spot. They spread his responsibilities across Briggs, Jackson and Phillips, then asked the group to survive a long second half in which Las Vegas scored touchdowns on three consecutive possessions.

Graphic: Football Nation USA original analysis, created from official Jets Week 8 snap-share reporting. No player likenesses are depicted.

The snap counts reveal a real workload change

The percentages should not be added together as if they came from one position. Multiple interior linemen can be on the field at the same time. The useful signal is that all three cleared 60% in the first game without Sweat, a much heavier collective burden than a simple early-down substitution.

Briggs was the volume leader. His 49 snaps put him on the field for almost four of every five defensive plays. Phillips remained a major part of the rotation, while Jackson continued the fastest development curve in the room. Jackson made four tackles against the Raiders and became the first Jets rookie interior lineman since Muhammad Wilkerson in 2011 to reach at least 20 tackles, two quarterback hits and two passes defensed in a season through the first eight weeks, according to the team.

Jackson also entered Week 8 with a 14.7% run-stop rate through seven games. The Jets cited Next Gen Stats in reporting that it ranked fifth among defensive tackles and second among rookie defensive tackles over the same opening-week comparison since 2016. That does not make him a one-for-one Sweat replacement, but it explains why his role expanded to 42 snaps.

What changes without Sweat

Sweat's size allowed the defense to ask one player to occupy two blockers and keep linebackers clean. Without him, New York has to win with alignment, movement and fresh bodies. Briggs and Phillips can handle more of the early-down anchor work. Jackson can move along the front and attack favorable gaps, which the coaching staff had already highlighted before the Raiders game.

The tradeoff is obvious. More snaps create more chances for Briggs and Jackson to affect the game, but they also create fatigue and assignment stress. Las Vegas used multiple-tight-end personnel on 81.6% of its offensive plays, then controlled the second half. Kansas City can test the same group with motion, changing surfaces and repeated first-down decisions. The Jets' best protection is to stay sound against the run and earn obvious passing downs rather than letting the interior play every snap on schedule.

Fantasy football and IDP impact

For standard fantasy leagues, this is more important for the Jets D/ST than for individual defensive players. New York produced one sack and six quarterback hits against Las Vegas, but the defense allowed 38 points and did not create enough disruption to protect a strong offensive day. On the road against Kansas City, the Jets D/ST remains a high-variance option rather than a safe streamer.

In deeper IDP formats, Briggs has the clearest snap-based floor after playing 78%. Jackson is the more interesting upside watch because his run-stop efficiency, four-tackle Week 8 game and growing alignment flexibility point to more playmaking chances. Neither should be treated as a locked weekly starter yet. Interior tackle production can swing sharply with opponent run volume, scoring format and official stat crews.

The Jets' verified X account shared Aaron Glenn's message that the team has to keep fighting. For this defense, that message now includes a larger weekly load for its interior rotation.

The strongest counterargument

One game is not enough to declare the 78%, 67% and 60% shares permanent. The Raiders matchup forced an unusually long second-half workload, Payton Page had only just joined the active roster, and the Jets have said veteran David Onyemata is expected back at some point this season without providing a firm date. Page or Onyemata could reduce the burden later.

Still, Sweat is on injured reserve now, not merely questionable. Until the personnel changes again, Briggs, Jackson and Phillips are the core answer. The question is whether the group can turn high snap volume into more negative plays while avoiding the late-game erosion seen against Las Vegas.

Next checkpoint: Week 9 at Kansas City

The next checkpoint is Sunday, November 8 at Kansas City. Track the first-down run fits, whether Jackson continues to move across the front, and whether Briggs remains near an 80% share. If the Jets can force longer third downs, the rotation has a path to help the pass rush. If Kansas City stays ahead of the chains, New York's interior depth will be stressed again.

Read Football Nation's separate matchup breakdown: Jets at Chiefs Week 9 preview.

Sources and verification

Material facts were checked November 3, 2026 at 2:18 a.m. Central against the Jets' November 2 team notebook, the official Week 8 takeaways, the Sweat injured-reserve transaction, the official pregame depth analysis and the NFL team schedule. Comparison periods are identified as Week 8 snap shares, Weeks 1 through 7 run-stop rate and season totals through Week 8.