How about a rephrase - What 10 current teams should make up a true 10 team Big 10? I'd go with:
MN, IA, WI, NE, MI, OSU, IN, PSU, Purdue, MSU.
What would TV pick? Probably: USC, UCLA, Oregon, Wash, NE, OSU, MI, PSU, WI, IA. I could see IL or NW swapped for IA or UCLA for Chicago market.