-
1
- Rose Namajunas
- "Thug"
- 12-6-0
-
2
- Conor McGregor
- "The Notorious"
- 22-6-0
-
3
- Robert Whittaker
- "The Reaper"
- 25-7-0
-
4
- Dustin Poirier
- "The Diamond"
- 30-8-0, 1 NC
-
5
- Stephen Thompson
- "Wonderboy"
- 17-7-1
-
6
- Valentina Shevchenko
- "Bullet"
- 23-4-1
-
7
- Stipe Miocic
- 20-4-0
-
8
- Nick Diaz
- 26-10-0, 2 NC
-
9
- Nate Diaz
- 21-13-0
-
10
- Kamaru Usman
- "Nigerian Nightmare"
- 20-4-0
-
11
- Sean O'Malley
- "Suga" | 18-1-0, 1 NC
-
12
- Demetrious Johnson
- "Mighty Mouse" | 25-4-1