It's home to Western Michigan & not near Ann Arbor.
Central Michigan is far away from Ann Arbor. I'm not seeing competition from Mt. Pleasant.
Eastern Michigan is in Ann Arbor's backyard - 8 miles east of Ann Arbor. At least read the section titled
Better Attendance:
http://www.freep.com/story/news/local/michigan/wayne/2016/12/16/eastern-michigan-football-program-future/94600812/
What universities in Detroit compete with Ann Arbor for football fans...Wayne State, Detroit Mercy?
Even metro Toledo has 3.5 times the population of metro COMO.
The bullet train from St Louis to Kansas City will level the playing field.