-
1
- José Aldo
- "Junior"
- 32-8-0
-
2
- Max Holloway
- "Blessed"
- 26-7-0
-
3
- Conor McGregor
- "The Notorious"
- 22-6-0
-
4
- Israel Adesanya
- "The Last Stylebender"
- 24-3-0
-
5
- Petr Yan
- "No Mercy"
- 17-5-0
-
6
- Anderson Silva
- "The Spider"
- 34-11-0, 1 NC
-
7
- T.J. Dillashaw
- 17-5-0
-
8
- Dustin Poirier
- "The Diamond"
- 30-9-0, 1 NC
-
9
- Robert Whittaker
- "The Reaper"
- 25-7-0
-
10
- Dominick Cruz
- "The Dominator"
- 24-4-0
-
11
- Stephen Thompson
- "Wonderboy" | 17-7-1
-
12
- Justin Gaethje
- "The Highlight" | 25-5-0
-
13
- Fedor Emelianenko
- "The Last Emperor" | 40-7-0, 1 NC
-
14
- Tony Ferguson
- "El Cucuy" | 25-10-0
-
15
- Edson Barboza
- "Junior" | 24-12-0
-
16
- Cody Garbrandt
- "No Love" | 14-6-0
-
17
- Anthony Pettis
- "Showtime" | 25-14-0
-
18
- Mirko Filipović
- "Cro Cop" | 38-11-2, 1 NC
-
19
- Eddie Alvarez
- "The Underground King" | 30-8-0, 2 NC
-
20
- Joanna Jędrzejczyk
- 16-5-0