Vrabel hired McMillan in 2021 as a defensive assistant where he primarily worked with Titans outside linebackers. In 2022, he worked as a defensive line assistant coach alongside Williams, who was named the Patriots defensive coordinator. McMillan continued to work with Titans defensive lineman in 2023.

Mike Vrabel continues shaping his New England Patriots coaching staff, bringing in a former Tennessee Titans ally to strengthen the defense. The New England Patriots have welcomed Mike Vrabel back to the organization,

Fans are now looking at the schedule for next season to see if Mike Vrabel will have the chance to play his former team.