Don Brown is on borrowed time in Ann Arbor. Who might replace him next season and beyond?

This post is locked and can be read by premium subscribers only.

There are a lot of very difficult decisions to be made this offseason when it comes to the Michigan football team.

Determining the future of Don Brown is not one of them.

Michigan’s defense had already been trending in the wrong direction heading into this season. But outside of the annual trouncing against Ohio State, the Wolverine defense was still stat…