Winning is now paired with winning against good opponents.
UCF was undefeated two consecutive years but the best they were ranked was #8, in 2018.
Two factors prevented an invitation to a playoff berth.
The first is that it is not a member of an autonomous conference. And that leads to the second - it could not put referrer strong enough schedules.
It’s final SOS (Sagarin) in 2017 and 2018 were #72 and #83. Before their bowl games against A5 teams, it was much worse.