The Michigan Wolverines defense got their first shutout of the year last week dominating the Minnesota Golden Gophers from start to finish, 58-0.
However, Northwestern is better than Minnesota, especially with Persa. Persa was considered a Heisman trophy candidate before the season until he got injured.
The defense is giving up 10.2 points per game, but the real test is coming up on Saturday and in the coming weeks, where they play solid offenses.
Northwestern is also averaging 28.8 points and has only committed two turnovers all season. The key for the Michigan defense: get Persa and the Wildcats to turn the ball over.
Last week, Michigan forced two turnovers, both fumbles against Minnesota, by getting pressure on the quarterback.