| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Dmitri | Stepanov | 6' 3" | 217 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Jeremy | Stephens | Lil' Heathen | 5' 9" | 145 lbs. | 71.0" | Orthodox | 28 | 19 | 0 | |
| Aljamain | Sterling | Funk Master | 5' 7" | 145 lbs. | 71.0" | Orthodox | 24 | 4 | 0 | |
| Marc | Stevens | 5' 9" | 155 lbs. | -- | 21 | 10 | 0 | |||
| Joe | Stevenson | Daddy | 5' 7" | 145 lbs. | 70.0" | Orthodox | 33 | 16 | 0 | |
| Maia | Stevenson | 5' 4" | 115 lbs. | 62.0" | Orthodox | 6 | 5 | 0 | ||
| Luke | Stewart | 5' 11" | 170 lbs. | -- | Orthodox | 6 | 3 | 0 | ||
| Darren | Stewart | The Dentist | 6' 0" | 205 lbs. | 74.0" | Orthodox | 12 | 8 | 0 | |
| Kyle | Stewart | Gunz Up | 6' 0" | 170 lbs. | 76.0" | Orthodox | 11 | 3 | 0 | |
| Alex | Stiebling | The Brazilian Killa | 6' 2" | 205 lbs. | -- | Southpaw | 19 | 11 | 1 | |
| Tyler | Stinson | The Evolution | 6' 3" | 170 lbs. | -- | 30 | 10 | 0 | ||
| Dan | Stittgen | The Anvil | 6' 1" | 170 lbs. | -- | Orthodox | 12 | 5 | 0 | |
| Lazar | Stojadinovic | The Bronx Bomber | 5' 7" | 145 lbs. | 68.0" | Southpaw | 12 | 5 | 0 | |
| Denis | Stojnic | 6' 0" | 245 lbs. | -- | Orthodox | 13 | 3 | 0 | ||
| Julija | Stoliarenko | 5' 7" | 125 lbs. | 66.0" | Orthodox | 11 | 9 | 2 | ||
| Dustin | Stoltzfus | 6' 0" | 185 lbs. | 75.0" | Orthodox | 15 | 5 | 0 | ||
| Niklas | Stolze | Green Mask | 6' 1" | 155 lbs. | 74.0" | Switch | 12 | 6 | 0 | |
| Ken | Stone | 5' 8" | 135 lbs. | 71.0" | Southpaw | 11 | 4 | 0 | ||
| Ryan | Stonitsch | 5' 9" | 170 lbs. | -- | Southpaw | 8 | 1 | 0 | ||
| George | Stork | 5' 10" | 185 lbs. | -- | 7 | 9 | 0 | |||
| Rick | Story | The Horror | 5' 9" | 170 lbs. | 71.0" | Southpaw | 19 | 9 | 0 | |
| Darko | Stosic | 6' 0" | 205 lbs. | 76.0" | Orthodox | 13 | 4 | 0 | ||
| Greg | Stott | Ranger | 5' 7" | 220 lbs. | -- | Southpaw | 0 | 1 | 0 | |
| Curtis | Stout | 6' 1" | 185 lbs. | -- | Southpaw | 11 | 12 | 1 |