HFNY
Well-known poster
It's not impossible but to win a NC without a ratio above 50% but we'd be a lot cooler if we had one:
https://247sports.com/Article/Blue-Chip-Ratio-2023-college-football-16-teams-who-can-actually-win-a-national-title-211217111/
https://247sports.com/Article/Blue-Chip-Ratio-2023-college-football-16-teams-who-can-actually-win-a-national-title-211217111/