-
1
- Kamaru Usman
- "Nigerian Nightmare"
- 20-4-0
-
2
- Alexander Volkanovski
- "The Great"
- 26-4-0
-
3
- Francis NGannou
- "The Predator"
- 17-3-0
-
4
- Israel Adesanya
- "The Last Stylebender"
- 24-3-0
-
5
- Petr Yan
- "No Mercy"
- 17-5-0
-
6
- Patricio Pitbull
- 36-7-0
-
7
- Aljamain Sterling
- "Funk Master"
- 24-4-0
-
8
- Charles Oliveira
- "do Bronx"
- 34-10-0, 1 NC
-
9
- Brandon Moreno
- "The Assassin Baby"
- 21-8-2
-
10
- Glover Teixeira
- 33-9-0
-
11
- Deiveson Figueiredo
- "Deus da Guerra" | 23-3-1
-
12
- Stipe Miocic
- 20-4-0
-
13
- Jan Błachowicz
- 29-10-1
-
14
- Colby Covington
- "Chaos" | 17-4-0
-
15
- Leon Edwards
- "Rocky" | 22-3-0, 1 NC
-
16
- Alexander Volkov
- "Drago" | 37-10-0
-
17
- Cody Garbrandt
- "No Love" | 14-6-0
-
18
- Yoel Romero
- "Soldier of God" | 16-7-0
-
19
- Stephen Thompson
- "Wonderboy" | 17-7-1
-
20
- Gilbert Burns
- "Durinho" | 22-7-0
-
21
- Derrick Lewis
- "The Black Beast" | 27-12-0, 1 NC
-
22
- Dustin Poirier
- "The Diamond" | 30-8-0, 1 NC
-
23
- Max Holloway
- "Blessed" | 26-7-0
-
24
- Curtis Blaydes
- "Razor" | 18-4-0, 1 NC
-
25
- Paulo Costa
- "The Eraser" | 14-3-0
-
26
- Michael Chandler
- "Iron" | 23-8-0
-
27
- Robert Whittaker
- "The Reaper" | 25-7-0
-
28
- Justin Gaethje
- "The Highlight" | 25-5-0
-
29
- Rafael dos Anjos
- 32-16-0
-
30
- Cory Sandhagen
- "Sandman" | 17-4-0
-
31
- Brian Ortega
- "T-City" | 16-3-0, 1 NC
-
32
- José Aldo
- "Junior" | 32-8-0
-
33
- Jorge Masvidal
- "Gamebred" | 35-17-0
-
34
- Demetrious Johnson
- "Mighty Mouse" | 25-4-1
-
35
- Jon Jones
- "Bones" | 27-1-0, 1 NC
-
36
- Tony Ferguson
- "El Cucuy" | 25-10-0
-
37
- Dominick Reyes
- "The Devastator" | 12-4-0
-
38
- Conor McGregor
- "The Notorious" | 22-6-0