| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Yves | Jabouin | Tiger | 5' 7" | 135 lbs. | 68.0" | Orthodox | 20 | 11 | 0 | |
| Kevin | Jackson | 5' 10" | 199 lbs. | -- | Switch | 4 | 2 | 0 | ||
| Eugene | Jackson | The Wolf | 5' 8" | 185 lbs. | -- | Orthodox | 15 | 9 | 1 | |
| Quinton | Jackson | Rampage | 6' 1" | 205 lbs. | 73.0" | Orthodox | 37 | 12 | 0 | |
| Jeremy | Jackson | Scorpion | 5' 10" | 170 lbs. | -- | Orthodox | 9 | 5 | 0 | |
| Damon | Jackson | The Leech | 5' 11" | 155 lbs. | 71.0" | Switch | 23 | 8 | 1 | |
| Kenyon | Jackson | 6' 0" | 185 lbs. | -- | 4 | 3 | 0 | |||
| Mike | Jackson | The Truth | 6' 2" | 170 lbs. | 74.0" | Orthodox | 1 | 2 | 0 | |
| Jason | Jackson | Jah-Son | 6' 1" | 170 lbs. | 78.0" | Orthodox | 7 | 2 | 0 | |
| Montel | Jackson | Quik | 5' 10" | 135 lbs. | 75.0" | Southpaw | 14 | 2 | 0 | |
| Eric | Jacob | -- | 155 lbs. | -- | 1 | 9 | 0 | |||
| Richard | Jacobi | 6' 4" | 260 lbs. | 75.0" | Orthodox | 6 | 1 | 1 | ||
| Dustin | Jacoby | The Hanyak | 6' 3" | 205 lbs. | 76.0" | Orthodox | 19 | 9 | 1 | |
| Justin | James | 5' 10" | 155 lbs. | -- | Orthodox | 13 | 7 | 0 | ||
| Nate | James | 6' 0" | 185 lbs. | -- | 14 | 8 | 1 | |||
| Virna | Jandiroba | Carcara | 5' 3" | 115 lbs. | 64.0" | Orthodox | 21 | 3 | 0 | |
| Ryan | Janes | 6' 3" | 185 lbs. | 76.0" | Orthodox | 10 | 3 | 0 | ||
| Josh | Janousek | 5' 11" | 185 lbs. | -- | Orthodox | 8 | 1 | 0 | ||
| Dave | Jansen | 5' 9" | 155 lbs. | 73.0" | Orthodox | 20 | 4 | 0 | ||
| Jaime | Jara | El Cucui | 6' 1" | 205 lbs. | -- | Southpaw | 38 | 18 | 0 | |
| Gigo | Jara | The Little Animal | 5' 9" | 145 lbs. | -- | 6 | 9 | 0 | ||
| Keith | Jardine | The Dean of Mean | 6' 2" | 185 lbs. | 76.0" | Orthodox | 17 | 11 | 2 | |
| Brock | Jardine | The Machine | 5' 11" | 170 lbs. | -- | Orthodox | 12 | 6 | 0 | |
| Josh | Jarvis | -- | -- | -- | 1 | 4 | 0 | |||
| Rony | Jason | 5' 7" | 145 lbs. | 73.0" | Orthodox | 14 | 7 | 0 | ||
| Jasmine | Jasudavicius | 5' 7" | 125 lbs. | 68.0" | Orthodox | 12 | 3 | 0 | ||
| Louis | Jauregui | 5' 7" | 170 lbs. | -- | 4 | 2 | 0 | |||
| Yazmin | Jauregui | 5' 3" | 115 lbs. | 64.0" | Orthodox | 11 | 2 | 0 | ||
| Justin | Jaynes | The Guitar Hero | 5' 7" | 145 lbs. | 68.0" | Orthodox | 16 | 8 | 0 | |
| Joanna | Jedrzejczyk | 5' 6" | 115 lbs. | 65.0" | Orthodox | 16 | 5 | 0 | ||
| Aaron | Jeffery | 6' 2" | 185 lbs. | 73.0" | Orthodox | 10 | 3 | 0 | ||
| Trent | Jenkins | 6' 2" | 185 lbs. | -- | 0 | 4 | 0 | |||
| Bubba | Jenkins | The Highlight Kid | 5' 7" | 145 lbs. | -- | 11 | 4 | 0 | ||
| Adrienna | Jenkins | AJ | 5' 8" | 145 lbs. | -- | 19 | 6 | 0 | ||
| Brandon | Jenkins | The Human Highlight Reel | 6' 0" | 155 lbs. | 71.0" | Switch | 15 | 9 | 0 | |
| Jack | Jenkins | Phar | 5' 7" | 145 lbs. | 68.0" | Switch | 13 | 3 | 0 | |
| Steve | Jennum | 5' 10" | 215 lbs. | -- | Orthodox | 2 | 3 | 0 | ||
| Ryan | Jensen | 6' 1" | 185 lbs. | 76.0" | Orthodox | 21 | 8 | 0 | ||
| Kyle | Jensen | 5' 9" | 170 lbs. | -- | Orthodox | 4 | 11 | 2 | ||
| Chan-Mi | Jeon | 5' 5" | 115 lbs. | -- | Orthodox | 5 | 2 | 0 | ||
| Maciej | Jewtuszko | Irokez | 6' 0" | 155 lbs. | -- | Southpaw | 12 | 3 | 0 | |
| Ronald | Jhun | The Machine Gun | 5' 11" | 170 lbs. | -- | Orthodox | 24 | 26 | 2 | |
| Baergeng | Jieleyisi | 5' 9" | 135 lbs. | 70.0" | Orthodox | 18 | 5 | 0 | ||
| Gilbert | Jimenez | -- | 155 lbs. | -- | 8 | 12 | 1 | |||
| Art | Jimmerson | 6' 1" | 196 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Ryan | Jimmo | The Big Deal | 6' 1" | 205 lbs. | 73.0" | Orthodox | 19 | 5 | 0 | |
| Jinensibieke | Asikeerbai | 5' 6" | 155 lbs. | 69.0" | Orthodox | 36 | 11 | 0 | ||
| Jiniushiyue | Little King Kong | 5' 6" | 125 lbs. | 68.0" | Southpaw | 13 | 4 | 0 | ||
| Sung Bin | Jo | Korean Falcon | 6' 0" | 145 lbs. | 72.0" | Orthodox | 9 | 1 | 0 | |
| Carls | John De Tomas | 5' 5" | 125 lbs. | 71.0" | Southpaw | 6 | 2 | 0 | ||
| Phil | Johns | 5' 2" | 170 lbs. | -- | Southpaw | 30 | 14 | 1 | ||
| Brett | Johns | The Pikey | 5' 7" | 135 lbs. | 71.0" | Orthodox | 17 | 2 | 0 | |
| Miles | Johns | Chapo | 5' 7" | 135 lbs. | 66.0" | Orthodox | 15 | 2 | 0 | |
| Anthony | Johnson | Rumble | 6' 2" | 205 lbs. | 78.0" | Orthodox | 22 | 6 | 0 | |
| DaMarques | Johnson | Darkness | 6' 1" | 170 lbs. | 75.0" | Orthodox | 15 | 15 | 0 | |
| Devin | Johnson | -- | -- | -- | 1 | 1 | 1 | |||
| Travis | Johnson | -- | 205 lbs. | -- | 0 | 1 | 0 | |||
| Ricky | Johnson | 5' 8" | 145 lbs. | -- | Orthodox | 10 | 6 | 0 | ||
| Tony | Johnson | 6' 2" | 205 lbs. | 76.0" | Orthodox | 7 | 2 | 0 | ||
| Lavar | Johnson | Big | 6' 4" | 240 lbs. | 82.0" | Orthodox | 18 | 10 | 0 | |
| Demetrious | Johnson | Mighty Mouse | 5' 3" | 125 lbs. | 66.0" | Orthodox | 27 | 3 | 1 | |
| Michael | Johnson | The Menace | 5' 10" | 155 lbs. | 73.0" | Southpaw | 23 | 19 | 0 | |
| Deshaun | Johnson | -- | 167 lbs. | -- | 6 | 9 | 0 | |||
| Kajan | Johnson | Ragin' | 5' 11" | 155 lbs. | 75.0" | Orthodox | 23 | 13 | 1 | |
| Dashon | Johnson | Flyboy | 5' 7" | 145 lbs. | -- | Orthodox | 9 | 2 | 0 | |
| Timothy | Johnson | 6' 3" | 265 lbs. | 77.0" | Southpaw | 12 | 4 | 0 | ||
| Tony | Johnson | 6' 1" | 265 lbs. | -- | 11 | 3 | 0 | |||
| Jordan | Johnson | 6' 2" | 205 lbs. | 79.0" | Orthodox | 10 | 0 | 0 | ||
| Taylor | Johnson | Tombstone | 6' 0" | 185 lbs. | 74.0" | Switch | 5 | 1 | 0 | |
| Chad | Johnson | Big Rigg | 6' 2" | 230 lbs. | 80.0" | Orthodox | 6 | 2 | 0 | |
| Jose | Johnson | Zhakwarius | 6' 0" | 125 lbs. | 71.0" | Orthodox | 16 | 9 | 0 | |
| Charles | Johnson | InnerG | 5' 9" | 125 lbs. | 70.0" | Switch | 17 | 6 | 0 | |
| Brian | Johnston | 6' 3" | 230 lbs. | -- | Orthodox | 5 | 5 | 0 | ||
| Liana | Jojua | She Wolf | 5' 4" | 125 lbs. | 62.0" | Orthodox | 8 | 5 | 0 | |
| Daniel | Jolly | The Werewolf of Texas | 6' 1" | 205 lbs. | 75.0" | Orthodox | 5 | 3 | 0 | |
| Paul | Jones | 5' 9" | 199 lbs. | -- | Orthodox | 11 | 1 | 1 | ||
| Jon | Jones | Bones | 6' 4" | 248 lbs. | 84.0" | Orthodox | 28 | 1 | 0 |
|
| Nathan | Jones | 6' 11" | 345 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Marcus | Jones | The Darkness | 6' 6" | 265 lbs. | -- | Orthodox | 4 | 2 | 0 | |
| Carlton | Jones | 6' 1" | 225 lbs. | -- | Orthodox | 1 | 4 | 0 | ||
| Jesse | Jones | 5' 9" | 170 lbs. | -- | 2 | 1 | 0 | |||
| Tito | Jones | 5' 8" | 145 lbs. | -- | Southpaw | 11 | 8 | 0 | ||
| Roy | Jones | -- | 205 lbs. | -- | 7 | 5 | 0 | |||
| Justin | Jones | Black Dynamite | 5' 11" | 185 lbs. | -- | Orthodox | 9 | 2 | 0 | |
| Ben | Jones | Blitzkrieg | -- | 185 lbs. | -- | 4 | 4 | 0 | ||
| Victor | Jones | -- | 145 lbs. | -- | 1 | 3 | 0 | |||
| Chris | Jones | Lionheart | 5' 9" | 149 lbs. | -- | 10 | 5 | 0 | ||
| Roshaun | Jones | 5' 8" | 135 lbs. | -- | 2 | 6 | 0 | |||
| Jamelle | Jones | The Beast | 6' 0" | 205 lbs. | 75.0" | Orthodox | 7 | 5 | 0 | |
| Antonio | Jones | Doomsday | 5' 11" | 185 lbs. | -- | Orthodox | 6 | 1 | 0 | |
| Trevin | Jones | 5 Star | 5' 7" | 135 lbs. | 70.0" | Southpaw | 13 | 10 | 0 | |
| Mason | Jones | Dragon | 5' 10" | 155 lbs. | 74.0" | Orthodox | 11 | 2 | 0 | |
| Craig | Jones | -- | 205 lbs. | -- | 0 | 0 | 0 | |||
| Jacobi | Jones | Big Toe | 5' 9" | 155 lbs. | 72.0" | Orthodox | 6 | 2 | 0 | |
| Jocelyn | Jones-Lybarger | 5' 7" | 115 lbs. | 64.0" | Orthodox | 6 | 4 | 0 | ||
| Kevin | Jordan | The Shaman | 6' 3" | 245 lbs. | -- | Orthodox | 11 | 9 | 0 | |
| Joe | Jordan | 5' 6" | 155 lbs. | -- | Orthodox | 49 | 14 | 2 | ||
| Shawn | Jordan | The Savage | 6' 0" | 260 lbs. | 75.0" | Southpaw | 19 | 8 | 0 | |
| Ivan | Jorge | Batman | 5' 9" | 155 lbs. | 73.0" | Orthodox | 27 | 7 | 0 | |
| Scott | Jorgensen | Young Guns | 5' 5" | 135 lbs. | 66.0" | Orthodox | 15 | 12 | 0 | |
| Gareth | Joseph | -- | 205 lbs. | -- | 9 | 5 | 0 | |||
| Dwight | Joseph | 5' 6" | 135 lbs. | -- | Switch | 5 | 0 | 0 | ||
| Jeff | Joslin | The Inferno | 6' 0" | 170 lbs. | -- | Orthodox | 5 | 3 | 0 | |
| Krzysztof | Jotko | 6' 1" | 185 lbs. | 77.0" | Southpaw | 24 | 6 | 0 | ||
| Alan | Jouban | Brahma | 6' 0" | 170 lbs. | 73.0" | Southpaw | 17 | 7 | 0 | |
| Charles | Jourdain | Air | 5' 9" | 135 lbs. | 69.0" | Switch | 16 | 8 | 1 | |
| Kevin | Jousset | Air | 6' 2" | 170 lbs. | 75.0" | Orthodox | 10 | 3 | 0 | |
| Mike | Joy | 5' 6" | 155 lbs. | -- | Southpaw | 11 | 8 | 0 | ||
| Dustin | Joynson | 6' 6" | 244 lbs. | 78.0" | Orthodox | 5 | 0 | 0 | ||
| Tony | Juarez | -- | 155 lbs. | -- | 1 | 12 | 0 | |||
| Jesse | Juarez | 6' 1" | 170 lbs. | -- | Orthodox | 23 | 12 | 0 | ||
| Ernie | Juarez | The Young Titan | 5' 8" | 145 lbs. | 70.0" | 8 | 1 | 0 | ||
| Anshul | Jubli | King of Lions | 6' 0" | 155 lbs. | 69.0" | Switch | 7 | 1 | 0 | |
| Carli | Judice | Crispy | 5' 7" | 125 lbs. | 68.0" | Southpaw | 3 | 2 | 0 | |
| Steve | Judson | 5' 11" | 230 lbs. | -- | Orthodox | 0 | 2 | 0 | ||
| Luke | Jumeau | The Jedi | 5' 11" | 170 lbs. | 72.0" | Orthodox | 13 | 5 | 0 | |
| Bu-Kyung | Jung | 5' 7" | 154 lbs. | -- | Orthodox | 0 | 4 | 0 | ||
| Chan Sung | Jung | The Korean Zombie | 5' 7" | 145 lbs. | 72.0" | Orthodox | 17 | 8 | 0 | |
| Young Sam | Jung | 5' 8" | 139 lbs. | -- | Orthodox | 4 | 8 | 0 | ||
| Da Woon | Jung | Sseda | 6' 4" | 205 lbs. | 78.0" | Orthodox | 15 | 6 | 1 | |
| Scott | Junk | 6' 1" | 265 lbs. | -- | Orthodox | 8 | 3 | 1 | ||
| Myles | Jury | Fury | 5' 10" | 145 lbs. | 73.0" | Orthodox | 17 | 4 | 0 | |
| Cristiane | Justino | Cyborg | 5' 8" | 145 lbs. | 68.0" | Orthodox | 21 | 2 | 0 |