I don't think the committee could reward a team with a playoff spot for losing a H2H and then not playing in a conference title game the following week if the team that beat them lost said title game and was left out. That would be a terrible precident to set. Any scenario where Ohio State qualifies should also require Michigan to qualify.

I think FSU, Texas, and Alabama would have to lose, and maybe even Oregon to be safe, depending on how you rate a one-loss Washington against OSU.