Cowboys DC: Aaron Whitecotton Next Up in 2026?

Aaron Whitecotton could be the next Dallas Cowboys defensive coordinator, and the more I look at it, the more it makes sense.

If Matt Eberflus is fired, Dallas won’t need to search far for a new DC candidate, they might already have the right one coaching the defensive line.

Cowboys players respect him, he’s coached under some serious defensive minds, and honestly, the idea doesn’t feel all that wild. It feels earned.

The Aaron Whitecotton Move Makes Total Sense

I’ve been thinking about new defensive coordinators that could elevate the Cowboys defense, and have been looking outside the organization because of how terrible this defense has been this season.

But as I thought about it, a new defensive coordinator would bring an entirely new scheme, and it would be the third coordinator in three years. Why not keep someone familiar to lead the defense?

I figure the Cowboys will make a splash hire with a big resume and an even bigger press conference, but digging into Whitecotton has flipped that script for me.

Why not him?

Players Already Respect Him, That’s Half the Job

I have found this is a coach players genuinely respect. You don’t get guys like Solomon Thomas publicly hyping you up unless you’ve earned it.

Players respect Whitecotton because he’s a teacher, communicator, and grinder, not a spotlight chaser.

In Dallas, that might be the biggest strength you can have.

Solomon Thomas’ Praise Shows the Impact

Thomas had this to say about Aaron Whitecotton:

“You can look at the stats and see how he’s produced, how his players have played, the guys who have gotten paid, he’s just so good at letting guys play their own game and he’s good at pushing us and taking us to the next level.” Thomas said of Whitecotton.

“He sets a standard that we can’t ever bend or waiver against, you’re getting a coach who is always going to give your all, he’s intense and he loves his players, and his players love him back.”

The Coaching Tree That Built Whitecotton

Buffalo Bills (2017-2019): Where the Foundation Was Set

Whitecotton spent 2017 through 2019 as the Bills’ assistant defensive line coach, working inside Sean McDermott’s 4-3, one-gap, attack-first system.

I think three years in that environment is long enough to absorb how a defense is wired—penetration, discipline, rotation, and controlled violence upfront.

San Francisco 49ers/New York Jets (2020-2024): The Saleh Experience

I think Whitecotton’s time under Robert Saleh is a big part of why this DC idea doesn’t feel insane.

Saleh’s whole thing has been multiple 4–3 fronts, flipping between under and over looks to stay unpredictable.

The back end? Mostly Quarters and Cover-3 zones, built to force QBs into long drives and low-percentage throws. And the pressure plan was simple: rush four, drop seven, win up front, don’t invite chaos.

That’s the kind of which teaches defensive structure while staying aggressive on the most important down in football.

You know Whitecotton didn’t just coach the line, he learned how to build the storm without losing control of it.

Why Promoting Whitecotton Isn’t Crazy

So here’s why I think promoting Whitecotton isn’t crazy.

He’s a defensive line coach who has:

Years inside attack-style 4–3 fronts

Real reps in rotating, flexible defensive fronts

Exposure to zone shells, disguise, and 3rd-down structure

Earned NFL player respect

And a calm coaching style that fits Dallas

I don’t believe this is just resume fluff. That’s scheme education and locker room credibility.

The Best Hire Might Already Be in the Building

I don’t know if the Cowboys move on from Eberflus, but if they do, promoting Whitecotton would feel like a bet on trust, scheme depth, and player development.

And all things considered, I’m fine with that, because it feels earned.

The best hire might not be the loudest one, it may just be the one players already believe in.