When trying to pick a game for betting or that my heart is involved in, I usually ask myself what is objectively most likely of these scenarios: OSU wins close over ND, ND wins close over OSU, OSU wins big over ND, ND wins big over OSU.
Generally what I've found is that, regardless of how I stack up the "win close" categories, the team that has the advantage in the "win big" ends up being the actual winner of the game. And obviously if one team is more likely to win big than lose close, you have the makings of an ass-kicking.
Unfortunately this is where my head lands on this game from most likely to least likely:
1) OSU wins close over ND
2/3 Tie) ND wins close over OSU/OSU wins big over ND
4) ND wins big over OSU