Here's a look at how the Gophers have fared since coach P.J. Fleck replaced defensive coordinator Robb Smith with Joe Rossi:

First six Big Ten games: 507.7 yards allowed per game, 42.3 points allowed per game, 1-5 record

Past three Big Ten games: 305.7 yards allowed per game, 16.3 points allowed per game, 2-1 record