Glover
Blachowvic
Moreno (not sure how late it was but he was close to being cut?)
Oliveira
Bisping
Lawler
RDA
Anderson Silva (most forget started the UFC quite old and after considering retirement)
Couture
Henderson
Who else? Also guys like Masvidal who had a late career surge….
Big Nog. Too lazy to look to see how old he was when he beat Sylvia, but however old it says he was A. he was probably older and B. those years were incredibly hard on his body