"Abrek"

Shamil Abdurakhimov

Heavyweight

19-4-0 (W-L-D)

"The Kraken"

Juan Adams

Heavyweight

5-0-0 (W-L-D)

"The Last Stylebender"

Israel Adesanya

Middleweight

15-0-0 (W-L-D)

"Jag"

Jessica Aguilar

Women's Strawweight

20-7-0 (W-L-D)

"Angel of Death"

Kevin Aguilar

Featherweight

15-1-0 (W-L-D)

"Wolverine"

Omari Akhmedov

Middleweight

17-4-1 (W-L-D)

"Stitch"

Alexandra Albu

Women's Strawweight

7-0-0 (W-L-D)

"Marajo"

Iuri Alcantara

Bantamweight

35-10-0 (W-L-D)

"El Charro"

Hector Aldana

Welterweight

4-1-0 (W-L-D)

Irene Aldana

Women's Bantamweight

9-4-0 (W-L-D)

JJ Aldrich

Women's Strawweight

7-2-0 (W-L-D)