​The Dallas Cowboys may still have yet to witness the full range of Quinnen Williams’ impact at defensive tackle. acquired in a midseason swap with the New York Jets in 2025, Williams has shown the potential to be the NFL’s premier interior defensive lineman. In 2026, for the first time in his career, he will begin a season on a team that genuinely contends and behind a defense that seems tailored to his strengths from every angle. That potential is precisely why Williams landed at No. 6 on ESPN’s annual preseason ranking of defensive tackles, a list assembled by league executives, coaches, and scouts.
“After six-plus seasons with the Jets, a full year on a different team should benefit Williams,” ESPN’s Jeremy Fowler noted on July 9. “Quinnen Williams finished fifth in run stop win rate (43%) among 204 qualified players in 2025. As a pass rusher, his 19 pressures in seven games with Dallas more than doubled his total in eight games with New York (eight) before he was traded. And the Cowboys are hopeful Williams increases his pass-rush profile in 2026. His 2.5 sacks marked his lowest total since his rookie year in 2019.”
Leading the poll was Seattle Seahawks defensive tackle Leonard Williams, earning the top spot for the first time after guiding his team to a Super Bowl victory; he had been a Top 10 presence in every ranking since the list’s inception in 2020. “The Jets will knock you down—the same thing happened to Leonard Williams—but I expect Quinnen to be better in Dallas, to feel a rejuvenation,” an anonymous NFL coordinator told Fowler. “As far as skill sets, he’s still so gifted and such a matchup problem.”
Williams, an NFL All-Pro and three-time Pro Bowler, was part of a significant influx of defensive talent who joined the Cowboys in the latter half of the 2025 season. That influx also included the trade bringing Cincinnati Bengals inside linebacker Logan Wilson and the arrivals of inside linebacker DeMarvion Overshown and cornerback Shavon Revel, all making their season debuts after injuries.
The Jets sent Williams to the Cowboys in exchange for a 2026 second-round pick, a 2027 first-round pick, and Cowboys defensive tackle Mazi Smith, a 2023 first-round selection. “Blockbuster: The Cowboys are trading for Jets Pro Bowl DT Quinnen Williams, sending a first-round pick and more to NYJ, per The Insiders,” NFL Network’s Ian Rapoport stated on his official X account. “New home for one of the NFL’s best to a team that values interior DLs, as NYJ looks to build for the future.” At 6-foot-3 and 303 pounds, Williams was the No. 3 overall pick in the 2019 NFL draft and signed a four-year, $96 million extension in July 2023 that keeps him in Dallas through the end of the 2027 season.
If Williams delivers another All-Pro or Pro Bowl season in 2026, it stands to reason the Cowboys will reward him with another substantial contract extension. The deal reinforces what the Cowboys already had: what many believe to be the NFC East’s strongest interior duo. Williams’ presence alongside his new teammates gives Dallas a formidable interior alignment capable of disrupting offenses from multiple angles, adding another dimension to the Cowboys’ defense as they pursue sustained success.