-
1
- Conor McGregor
- "The Notorious"
- 22-6-0
-
2
- Luke Rockhold
- 16-6-0
-
3
- Demetrious Johnson
- "Mighty Mouse"
- 25-4-1
-
4
- Daniel Cormier
- "DC"
- 22-3-0, 1 NC
-
5
- Fabrício Werdum
- "Vai Cavalo"
- 24-9-1, 1 NC
-
6
- Holly Holm
- "The Preacher's Daughter"
- 15-7-0, 1 NC
-
7
- Joanna Jędrzejczyk
- 16-5-0
-
8
- Stipe Miocic
- 20-4-0
-
9
- Rafael dos Anjos
- 32-16-0
-
10
- Max Holloway
- "Blessed"
- 26-7-0
-
11
- Frankie Edgar
- "The Answer" | 24-11-1
-
12
- Robbie Lawler
- "Ruthless" | 30-16-0, 1 NC
-
13
- Liam McGeary
- 13-4-0
-
14
- Ronaldo Souza
- "Jacaré" | 26-10-0, 1 NC
-
15
- Ronda Rousey
- "Rowdy" | 12-2-0
-
16
- Tony Ferguson
- "El Cucuy" | 25-10-0
-
17
- Chris Weidman
- "The All-American" | 16-7-0
-
18
- Donald Cerrone
- "Cowboy" | 36-17-0, 2 NC
-
19
- Thomas Almeida
- "Thominhas" | 22-5-0
-
20
- Cody Garbrandt
- "No Love" | 14-6-0