-
1
- Khabib Nurmagomedov
- "The Eagle"
- 29-0-0
-
2
- Israel Adesanya
- "The Last Stylebender"
- 24-3-0
-
3
- Daniel Cormier
- "DC"
- 22-3-0, 1 NC
-
4
- Amanda Nunes
- "The Lioness"
- 23-5-0
-
5
- Kamaru Usman
- "Nigerian Nightmare"
- 20-4-0
-
6
- Dustin Poirier
- "The Diamond"
- 30-8-0, 1 NC
-
7
- Robert Whittaker
- "The Reaper"
- 25-7-0
-
8
- Brian Ortega
- "T-City"
- 16-3-0, 1 NC
-
9
- Valentina Shevchenko
- "Bullet"
- 23-4-1
-
10
- Stipe Miocic
- 20-4-0
-
11
- Rose Namajunas
- "Thug" | 12-6-0
-
12
- Tony Ferguson
- "El Cucuy" | 25-10-0
-
13
- Anthony Smith
- "Lionheart" | 37-19-0
-
14
- Gegard Mousasi
- "The Dreamcatcher" | 49-9-2
-
15
- Gregor Gillespie
- "The Gift" | 14-1-0
-
16
- Alexander Hernandez
- "The Great Ape" | 14-8-0
-
17
- Paulo Costa
- "The Eraser" | 14-3-0
-
18
- Alexander Volkanovski
- "The Great" | 26-4-0
-
19
- Tyron Woodley
- "The Chosen One" | 19-7-1
-
20
- T.J. Dillashaw
- 17-5-0