There’s no question undefeated OSU is in.
The question is if a 1loss OSU can sneak in if they still win Big 10 Championship, and I think that answer is yes.
The Big 12 is having a disastrous year and their decision to play OOC conference games prior to league play is a decision they’d like to have back. Losing to Arky State, the Rajin Cajuns, and Coastal Carolina was disastrous for them. I also don’t think Big 12 ends up with a champion that has less than 2 losses.
I guess the spoiler could be an undefeated Pac 12 team but even then, with as bad as that conference has been, I think there’d be a strong push to include a 1 loss Ohio State Big 10 champion.
And lastly, with ESPN TV ratings getting absolutely crushed right now, OSU will have significant support from Network Executives to bring viewership to the table. This is a year where regardless of the Fox contract, ESPN is going to be fishing for the teams that provide the most eyes on a TV set.