Preseason ratings start to get phased out enough around 10 games into the season (and even more each game past that).
Most teams in the conference are coming up on that. This is where things sit:
Wisconsin 4
Iowa 5
Illinois 8
Michigan 11
Ohio State 15
Rutgers 19
Indiana 25
Minnesota 34
Purdue 36
Maryland 41
Penn State 49
Michigan State 51
Northwestern 54
Nebraska 121
Most teams in the conference are coming up on that. This is where things sit:
Wisconsin 4
Iowa 5
Illinois 8
Michigan 11
Ohio State 15
Rutgers 19
Indiana 25
Minnesota 34
Purdue 36
Maryland 41
Penn State 49
Michigan State 51
Northwestern 54
Nebraska 121