Here's a comparison between the Director's Cup rankings of Big 10 and Big 12 athletic programs since 2000. The Director's Cup tracks 10 men's sports and 10 women's sports at each school, and is based solely on competitions, not revenue.
NACDA OFFICIAL ATHLETIC SITE - Directors Cup
Code:
Big 12
Avg. Best Worst
Texas 6.0 2 19
Texas A&M 22.1 12 37
Oklahoma 23.1 15 37
Nebraska 24.4 13 32
Oklahoma State 37.9 30 45
Baylor 42.1 25 69
Colorado 42.2 18 69
Missouri 44.5 36 53
Texas Tech 68.2 44 102
Kansas 69.9 54 108
Kansas State 72.9 49 111
Iowa State 76.4 54 123
Big 10
Michigan 6.2 2 24
Ohio State 9.5 3 14
Penn State 15.1 5 24
Minnesota 17.9 7 28
Wisconsin 24.4 16 41
Michigan State 33.3 26 46
Illinois 33.5 20 45
Purdue 37.6 31 46
Indiana 39.4 28 55
Northwestern 47.5 29 78
Iowa 48.5 39 68