Jacare Souza
26-10-0 (1 NC) · 6'1" · 72" reach
Jack Cartwright
14-2-0 · 5'9" · 69" reach
Jack Congdon
“50 Cal”
7-2-0 · 6'2" · 75.5" reach
#4Jack Della Maddalena
18-4-0 · 5'11" · 73" reach
Jack Duffy
“The Fury”
7-1-0 · 5'7" · 69" reach
Jack Hermansson
“The Joker”
24-10-0 · 6'1" · 77.5" reach
Jack Jenkins
“Phar”
14-5-0 · 5'7" · 68" reach
Jack Marshman
“The Hammer”
23-10-0 · 6'0" · 73" reach
Jack May
“The Outlaw”
9-3-0 · 6'8" · — reach
Jack McGlaughlin
1-4-0 · — · — reach
Jack Nilson
2-6-0 · — · — reach
Jack Shore
“Tank”
17-3-0 · 5'8" · 71" reach
Jackie Lee
0-1-0 · — · — reach
Jackson McVey
“The Moose”
8-2-0 · 6'4" · 77" reach
Jacob Kilburn
“The Killer”
8-4-0 · 5'9" · 72" reach
Jacob Malkoun
“Mamba”
10-3-0 · 5'9" · 73" reach
Jacob Rosales
“Lil' Badger”
15-9-0 · 5'11" · 74" reach
Jacob Silva
“Lil Animal”
11-11-0 · 5'5" · 67" reach
Jacob Volkmann
“Christmas”
19-7-0 · 5'9" · 71" reach
Jacobe Smith
“Cobe”
13-0-0 · 5'10" · 72" reach
Jacobi Jones
“Big Toe”
7-3-0 · 5'9" · 72" reach
#8Jacqueline Cavalcanti
10-2-0 · 5'8" · 70" reach
Jaden Ortega
6-1-0 · 6'1" · — reach
Jae Hyun Park
“The First Prospect”
6-3-0 · 5'10" · 72" reach
Jafel Filho
“Pastor”
17-5-0 · 5'7" · 68.5" reach
Jai Herbert
“Black Country Banger”
15-6-1 · 6'1" · 77" reach
Jailton Almeida
“Malhadinho”
22-5-0 · 6'3" · 79" reach
Jaime Alvarez
7-3-1 · 5'8" · — reach
Jaimelene Nievera
“Queenie”
7-4-0 · 5'5" · — reach
Jair de Oliveira
“Mamute”
6-1-0 · 5'9" · 69.5" reach
Jair Farias
“Chosen”
10-1-0 · 5'11" · 77" reach
Jairzinho Rozenstruik
“Bigi Boy”
15-6-0 · 6'2" · 78" reach
Jake Collier
“The Prototype”
13-10-0 · 6'3" · 78" reach
Jake Ellenberger
“The Juggernaut”
31-15-0 · 5'9" · 71" reach
Jake Hadley
“White Kong”
12-6-0 · 5'7" · 70" reach
Jake Hecht
“Hitman”
11-4-0 · 6'0" · 73" reach
Jake Lindsey
“The Librarian”
12-7-0 · 5'11" · — reach
Jake Matthews
“The Celtic Kid”
23-8-0 · 5'11" · 73" reach
Jake O'Brien
“Irish”
15-4-0 · 6'3" · 76" reach
Jake Rosholt
12-5-0 (1 NC) · 6'1" · — reach
Jake Shields
31-9-1 (1 NC) · 6'0" · 72" reach
Jakub Wikłacz
“Masa”
18-3-2 · 5'10" · 72" reach
Jalin Turner
“The Tarantula”
16-9-0 · 6'3" · 77" reach
Jamahal Hill
“Sweet Dreams”
12-4-0 (1 NC) · 6'4" · 79" reach
Jamal Pogues
11-5-0 · 6'3" · 77" reach
Jamall Emmers
“Pretty Boy”
23-8-0 · 5'10" · 74" reach
Jamelle Jones
“The Beast”
14-8-0 · 6'0" · 75" reach
James Barnes
“Mooka”
14-5-0 · 5'8" · 71" reach