BoxRec

Frank Shamrock
Tito Ortiz
Randy Couture
Vitor Belfort
Chuck Liddell
Quinton Rampage Jackson
Forrest Griffin
Rashad Evans
Lyoto Machida
Mauricio Shogun Rua
Jon Jones
Daniel Cormier
Jan Blachowicz
Glover Teixeira
Jiri Prochazka
Jamahal Hill
Alex Pereira

1. Jon Jones
2. Chuck Liddell
3. Randy Couture
4. Tito Ortiz
5. Daniel Cormier

Tough to score later, all of them are short-lived and inconsistent.

Jon Jones
Daniel Cormier
Randy Couture
Chuck Liddell
Tito Ortiz