League sources told ESPN and The Athletic on Tuesday that Michigan is dismissing Brown after the Wolverines' defense struggled in the 2020 season. Michigan finished with a 2-4 record, and the team's defense ranked 87th in yards allowed per game.
The 65-year-old Brown, who was hired from Boston College in 2016, had just concluded his fifth season at Michigan, and the program's defensive numbers continued to drop. In his first year with the Wolverines, Brown's defense ranked first in yards allowed per game.
Michigan had limited opponents to fewer than 2,000 passing yards in three consecutive seasons from 2016-18. The Wolverines were in the bottom tier of rushing and passing yards allowed per game in the 2020 campaign.
Meanwhile, the school has yet to announce any contract extension for Harbaugh, who is entering the final year of his current contract.
Since hiring Harbaugh before the 2015 season, Michigan has posted a 1-4 record in bowl games, including losses to Florida State in the 2016 Orange Bowl and Florida in the 2018 Peach Bowl.