-
1
- Demetrious Johnson
- "Mighty Mouse"
- 25-4-1
-
2
- José Aldo
- "Junior"
- 31-8-0
-
3
- Georges St-Pierre
- "Rush"
- 26-2-0
-
4
- Anderson Silva
- "The Spider"
- 34-11-0, 1 NC
-
5
- Kamaru Usman
- "Nigerian Nightmare"
- 20-4-0
-
6
- Max Holloway
- "Blessed"
- 26-7-0
-
7
- Alexander Volkanovski
- "The Great"
- 26-4-0
-
8
- Rafael dos Anjos
- 32-16-0
-
9
- Dominick Cruz
- "The Dominator"
- 24-4-0
-
10
- Kazushi Sakuraba
- "The Gracie Hunter"
- 26-17-1, 2 NC
-
11
- Khabib Nurmagomedov
- "The Eagle" | 29-0-0
-
12
- Daniel Cormier
- "DC" | 22-3-0, 1 NC
-
13
- T.J. Dillashaw
- 17-5-0
-
14
- Conor McGregor
- "The Notorious" | 22-6-0
-
15
- Eddie Alvarez
- "The Underground King" | 30-8-0, 2 NC
-
16
- Jon Jones
- "Bones" | 27-1-0, 1 NC
-
17
- Robert Whittaker
- "The Reaper" | 25-7-0
-
18
- Fedor Emelianenko
- "The Last Emperor" | 40-7-0, 1 NC