If the playoffs were 12 this season along with the 4 in already ;
we might see this ( courtesy of an Athlon Sports article I read)
The Next Eight Teams
The final eight selections would be filled by six at-large teams and the highest-rated of the remaining conference champions.
5. Georgia (at-large)
6. Notre Dame (at-large)
7. Ohio State (at-large)
8. Ole Miss (at-large)
9. Oklahoma State (at-large)
10. Michigan State (at-large)
11. Utah (No. 5 conference champion)
12. Pitt (No. 6 conference champion)
https://athlonsports.com/college-football/what-if-college-football-had-a-12-team-playoff-in-2021