This is why I'm against expansion.
Using the model that seemed to have the most support, which is 6 conference champs and 6 at-large, here's the playoff for every year since it began in 2014 (and let's just pray that
@RDU VOL#14 is right and they play the first round on campus):
2014, with the final CFP ranking:
#11 Kansas St (9-3) @ #5 Baylor (11-1)
#10 Arizona (10-3) @ #20 Boise St (11-2)
#9 Ole Miss (9-3) @ #6 TCU (11-1)
#8 Michigan St (10-2) @ #7 Mississippi St (10-2)
Byes: #1 Alabama (12-1), #2 Oregon (12-1), #3 Florida St (13-0), #4 Ohio St (12-1)
2015:
#11 TCU (10-2) @ #6 Stanford (11-2)
#10 North Carolina (11-2) @ #18 Houston (12-1)
#9 Florida St (10-2) @ #5 Iowa (12-1)
#8 Notre Dame (10-2) @ #7 Ohio St (11-1)
Byes: #1 Clemson (13-0), #2 Alabama (12-1), #3 Michigan St (12-1), #4 Oklahoma (11-1)
2016:
#11 Florida St (9-3) @ #7 Oklahoma (10-2)
#10 Colorado (10-3) @ #15 Western Michigan (13-0)
#9 USC (9-3) @ #3 Ohio St
#8 Wisconsin (10-3) @ #6 Michigan (10-2)
Byes: #1 Alabama (13-0), #2 Clemson (12-1), #4 Washington (12-1), #5 Penn St (11-2)
2017:
#11 Washington (10-2) @ #8 USC (11-2)
#10 Miami (10-2) @ #12 UCF (12-0)
#9 Penn St (10-2) @ #4 Alabama (11-1)
#7 Auburn (10-3) @ #6 Wisconsin (12-1)
Byes: #1 Clemson (12-1), #2 Oklahoma (12-1), #3 Georgia (12-1), #5 Ohio St (11-2)
2018:
#12 Penn St (9-3) @ #8 UCF (12-0)
#11 LSU (9-3) @ #9 Washington (10-3)
#10 Florida (10-3) @ #3 Notre Dame (12-0)
#7 Michigan (10-2) @ #5 Georgia (11-2)
Byes: #1 Alabama (13-0), #2 Clemson (13-0), #4 Oklahoma (12-1), #6 Ohio St (12-1)
2019:
#11 Utah (11-2) @ #6 Oregon (11-2)
#10 Penn St (10-2) @ #17 Memphis (12-1)
#9 Florida (10-2) @ #5 Georgia (11-2)
#8 Wisconsin (10-3) @ #7 Baylor (11-2)
Byes: #1 LSU (13-0), #2 Ohio St (13-0), #3 Clemson (13-0), #4 Oklahoma (12-1)
2020:
#11. Indiana (8-3) @ #8 Cincinnati (9-0)
#10 Iowa St (8-3) @ #12 Coastal Carolina (11-0)
#9 Georgia (7-2) @ #4 Notre Dame (10-1)
#7 Florida (8-3) @ #5 Texas A&M (8-1)
Byes: #1 Alabama (11-0), #2 Clemson (10-1), #3 Ohio St (6-0), #6 Oklahoma (8-2)
2021:
#10 Michigan St (10-2) @ #11 Utah (10-3)
#9 Oklahoma St (11-2) @ #12 Pitt (11-2)
#8 Ole Miss (10-2) @ #3 Georgia (12-1)
#6 Ohio St (10-2) @ #5 Notre Dame (11-1)
Byes: #1 Alabama (12-1), #2 Michigan (12-1), #4 Cincinnati (13-0), #7 Baylor (11-2)