Round 1: UC Davis @ South Dakota State The 2018 team was unequivocally better than the 2021 team
10-3 vs. 8-4
12.3 point differential vs 5.6
6.2 yards per play on offense vs 5.4
5.5 yards per play allowed on defense vs 5.8
61.86 Sagarin rating (8th in FCS) vs 54.08 (25th)
6.21 Massey rating (4th in FCS) vs. 5.54 (18th)
I could make an argument that the 2019 team was better than this team, they just played a way tougher schedule (lost to an 8-5 Cal and 6 FCS playoff teams, didn't lose to a 1-win FCS team, only 1 loss by 20+ points vs. 2 for the 2021 team). Like what do you think our record is this year if we play UCLA (8-4), NDSt, Sac, Montana St, Montana, EW and either Northern Iowa (6-6) or South Dakota (7-5)? At best that's probably a 5-6 team.
At the very least, 2021 team is much closer to 2019 than they are to 2018.