Every head coach has a side of the ball he was “brought up in” and is associated with. Some come with an offensive background; others were raised on the defensive side of the ball.
In the Big Ten, offense has the edge, as eight of the 14 head coaches have an offensive background. And, aside from Michigan State’s Mark Dantonio—who is a defensive guy—the conference coaches with Big Ten titles all have come from the offensive side of the ball.
The Big Ten isn’t unique in the offensive influence of its head coaches. In four of the five Power Five leagues, head coaches with offensive backgrounds outnumber those with defensive backgrounds. The discrepancy in the Big 12 (9 to 1) and ACC (11 to 3) is huge. It isn’t so huge in the Pac-12 (7 to 5).
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Defense (6) Tom Allen, Indiana Chris Ash, Rutgers Mark Dantonio, Michigan State DJ Durkin, Maryland Pat Fitzgerald, Northwestern Lovie Smith, Illinois Offense (8) Jeff Brohm, Purdue Paul Chryst, Wisconsin Kirk Ferentz, Iowa P.J. Fleck, Minnesota James Franklin, Penn State Jim Harbaugh, Michigan Urban Meyer, Ohio State Mike Riley, Nebraska