This is the source I was looking at. It's true that TCU won way back, I was thinking more modern. And I agree that UCF deserves to claim one.  this chart just uses the 2 main polls

 https://www.google.com/imgres?imgurl=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F4%2F4b%2FCollege_Football_Champions_Map.png%2F1200px-College_Football_Champions_Map.png&imgrefurl=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FFile%3ACollege_Football_Champions_Map.png&tbnid=oEOZejETrSykBM&vet=1&docid=ThpH87IvJnScsM&w=1200&h=718&itg=1&hl=en-US&source=sh%2Fx%2Fim