Guy Chamberlin
Heisman Trophy Winner
Yep. Minnesota, Iowa, & Northwestern are all roughly on the same level (with Iowa being maybe just a half a rung above the other two). And when one of them has that golden schedule season when their cross-divisional games contain only one or sometimes even no tough teams, they'll have one of those 10-2 seasons.
Maybe sounds like excuses but we really haven't had one of those "golden schedule" seasons. Not that having one would have allowed us to go 10-2...but still.
Basically, most if not all of the teams in the West are roughly on the same level outside of Wisconsin.
That second year in the Big 10 Ohio State was ineligible for post-season play, and all Nebraska had to do was beat a 7-5 Wisconsin team they'd already beaten to win the Big 10 and go to the Rose Bowl as a Top 10 team. Outside of Ohio State, the only ranked team they played that year was #20 Michigan.
I think too much is made of the conference transition. The fortunes of some Big 10 teams have improved in recent years, but there are also fewer Big 12 doormats than when we played there.