Patriots Defensive Coordinator Terrell Williams Diagnosed with Prostate Cancer, Begins Treatment

September 26, 2025 — In a surprising and somber announcement, New England Patriots defensive coordinator Terrell Williams has been diagnosed with prostate cancer.

Head coach Mike Vrabel confirmed the news on Friday, stating that Williams has already begun medical treatment and is in the process of establishing a comprehensive care plan.

At 51 years old, Williams is currently meeting with specialists to determine the best course of action for his treatment.

“He is in the process of treatment … meeting with specialists to figure out the best plan to attack this and heal,” Vrabel said.

He emphasized that Williams has the full support of the Patriots’ medical staff and organization as he navigates this challenging time.

Background & Career

Terrell Williams is a seasoned coach with a wealth of experience in the NFL.

Over the years, he has held various defensive line and assistant coaching roles across multiple teams.

His coaching journey includes stints with the Oakland Raiders and Miami Dolphins, where he honed his skills and developed a reputation as a respected teacher and communicator.

From 2018 to 2023, Williams served under Mike Vrabel as the defensive line coach for the Tennessee Titans, eventually earning the title of assistant head coach in 2023.

In 2024, he transitioned to the Detroit Lions, taking on the role of defensive line coach and run game coordinator.

In January 2025, Williams was hired by the Patriots as their defensive coordinator, marking his first full-time coordinator role in the NFL.

His arrival was met with optimism due to his strong reputation within the league.

Health Issues & Recent Absences

Before the cancer diagnosis, Williams had already faced health-related challenges.

In August 2025, he had to leave a Patriots training camp practice early due to dehydration, necessitating medical treatment.

Earlier in the offseason, he missed parts of the team’s program due to an unspecified medical issue, during which he worked remotely.

After Week 1 of the regular season, Williams stepped away from on-field coaching duties to focus on his health.

Inside linebackers coach Zak Kuhr has since assumed defensive playcalling responsibilities while Williams receives treatment.

Despite stepping back, Williams continues to be involved with the team “as much as he can,” as stated by Vrabel.

Currently, Kuhr is carrying the primary game-day defensive responsibilities, yet Williams remains a vital part of the planning process as his health allows.

Reaction & Outlook

Vrabel expressed deep admiration and support for Williams, stating, “You know how much Terrell means to me … and to the people on this football team … we care about him.”

This sentiment has been echoed by teammates and staff, who recognize Williams’ significant impact on the team and emphasize their thoughts and prayers are with him during this difficult time.

The Patriots are committed to maintaining defensive continuity through Kuhr and other staff members while prioritizing Williams’ recovery.

Given his extensive coaching background and respect within the league, there is hope that, if his treatment goes well, he may return to a role within the organization in the future.

As the situation unfolds, many questions remain regarding the specifics of Williams’ cancer diagnosis, including the type and stage of the illness, the timeline for his potential return, and how this may affect the team’s defensive performance throughout the season.

For now, the focus is on Williams’ health and providing him with the necessary support during his treatment journey.

The New England Patriots organization stands united in support of Terrell Williams as he embarks on this challenging battle with prostate cancer.

With a strong network of support from coaches, players, and medical staff, there is hope for a positive outcome as Williams navigates this difficult chapter in his life.

The team will continue to prioritize his health while maintaining their competitive edge on the field.