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

Last season, the Patriots staff had first-timers at head coach (Mayo), offensive play caller (Alex Van Pelt), defensive coordinator/play caller (Covington), and offensive line coach (Scott Peters).

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

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

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.

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

A day after Brian Belichick departed, Mike Vrabel is hiring a veteran safeties coach who worked with him in Tennessee

New England Patriots head coach Mike Vrabel has made his second big hire, snagging another former Detroit Lions coach for his defensive coordinator.

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.