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