Here are four things to know about new Patriots defensive coordinator Terrell Williams. Read more on Boston.com.

The New England Patriots hiring Terrell Williams as defensive coordinator makes Detroit Lions DT Levi Onwuzurike a smart free-agency target.

Detroit Lions defensive line coach Terrell Williams is leaving his position with the franchise to become New England's new defensive coordinator under Vrabel, according to a report from ESPN's Adam Schefter.

Mike Vrabel landed the "best" in the league, Detroit Lions D-line coach Terrell Williams, as New England Patriots defensive coordinator.

The Patriots haven't announced if DeMarcus Covington is staying, but it appears they're moving on at DC. Read more on Boston.com.

Two HBCU coaches have been hired to the Patriots: former North Carolina A&T coach Terrell Williams and Florida A&M coach Milton Patterson

The Patriots will not get longtime assistant Mike Pellegrino back for the 2025 season. Pellegrino was part of two Super Bowl-winning teams.

New England Patriots head coach Mike Vrabel has been on the job for a week and is ramping up his efforts to build out his coaching staff in Foxboro.

Mike Vrabel shared there were a pair of key elements that made him want to hire Josh McDaniels. Read more on Boston.com.

When Vrabel was named Titans head coach in 2018, he hired Williams to coach the defensive line, and by 2023 named him assistant head coach and had him serve as head coach of the team's preseason opener. Vrabel cited Williams' ability to "reach every player" across the roster -- including offense.

The New England Patriots have turned over a good percentage of their coaching staff from 2024 to 2025, including Terrell Williams replacing DeMarcus Covington as the team's defensive coordinator. Williams joins New England with 27 years of coaching experience split between 14 in college and 13 in the NFL.