Quinnen Williams Is Finally Out of New York. One NFL Coach Says That Changes Everything.

Quinnen Williams has been a really good defensive tackle for a while now. But the question that’s followed him around is whether he could ever be a truly dominant one. And according to multiple people around the league, the answer might have less to do with his talent and more to do with where he used to play.

ESPN’s Jeremy Fowler dropped the league’s annual defensive tackle rankings this week, and Williams slid one spot to No. 6 after finishing fifth last year. That’s not exactly a crisis. But what came with the ranking was a lot more interesting than where he landed on a list.

An NFL coordinator told ESPN that Williams is poised for a real breakout now that he’s with the Cowboys. The reason? He’s finally away from the Jets.

“The Jets will knock you down — the same thing happened to Leonard Williams — but I expect Quinnen to be better in Dallas, be rejuvenated a bit,” the coordinator said.

That’s a pretty direct quote. And it’s not hard to see why people think that way. Leonard Williams, who also spent years in New York, shot all the way to No. 1 in ESPN’s rankings after he landed in Seattle. The hope in Dallas is that Quinnen can follow a similar path.

What the Numbers Actually Say

Williams was already playing at a high level last season. He posted a 43% run stop win rate in 2025, which is elite for an interior guy. He also generated 19 pressures in just seven games. That’s not nothing.

But the version of Williams that showed up in 2022 was something else entirely. That year he put up 35 tackles and 12 sacks and started to look like a guy who could wreck a game plan by himself. The Cowboys didn’t trade for that guy just yet. They’re hoping a full offseason in their system gets him back there.

“As far as skill sets, he’s still so gifted and such a matchup problem,” a veteran NFL offensive coach told ESPN.

The Bigger Picture for Dallas

The Cowboys have expectations this year. Brian Schottenheimer is running things now, and the defense got some real attention this offseason. If Williams can return to that 2022 form or even come close, their interior line suddenly looks a lot more dangerous. And that could change how the whole unit plays.

Training camp opens July 28 with rookies and veterans reporting. The first full practice is July 29. That’s when we’ll start to see whether Williams looks like the same guy or a different one.

Nobody’s saying he’s a sure thing. But the people who know him best seem to think he’s been playing with one hand tied behind his back. And now that hand is free.