-
1
- Khabib Nurmagomedov
- "The Eagle"
- 29-0-0
-
2
- Demian Maia
- 28-11-0
-
3
- Robert Whittaker
- "The Reaper"
- 25-7-0
-
4
- Zabit Magomedsharipov
- 18-1-0
-
5
- Georges St-Pierre
- "Rush"
- 26-2-0
-
6
- Yoel Romero
- "Soldier of God"
- 16-7-0
-
7
- Henry Cejudo
- "Triple C"
- 16-4-0
-
8
- Alistair Overeem
- "The Demolition Man"
- 47-19-0, 1 NC
-
9
- Kamaru Usman
- "Nigerian Nightmare"
- 20-4-0
-
10
- Brian Ortega
- "T-City"
- 16-3-0, 1 NC
-
11
- Alexa Grasso
- 16-3-1
-
12
- Kyoji Horiguchi
- 32-5-0, 1 NC
-
13
- Chan Sung Jung
- "The Korean Zombie" | 17-8-0
-
14
- Demetrious Johnson
- "Mighty Mouse" | 25-4-1
-
15
- Valentina Shevchenko
- "Bullet" | 23-4-1
-
16
- Johnny Walker
- 21-8-0, 1 NC
-
17
- Yair Rodriguez
- "El Pantera" | 18-5-0, 1 NC
-
18
- Kelvin Gastelum
- 18-9-0, 1 NC
-
19
- José Aldo
- "Junior" | 31-8-0
-
20
- Stephen Thompson
- "Wonderboy" | 17-7-1