| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Lucas | Stark | -- | 155 lbs. | -- | 1 | 5 | 0 | |||
| Clifford | Starks | 6' 0" | 185 lbs. | 78.0" | Orthodox | 13 | 3 | 0 | ||
| Kalib | Starnes | 6' 3" | 185 lbs. | 74.0" | Orthodox | 17 | 11 | 1 | ||
| Laureano | Staropoli | Pepi | 6' 1" | 185 lbs. | 71.0" | Orthodox | 9 | 5 | 0 | |
| Damian | Stasiak | Webster | 5' 5" | 135 lbs. | 70.0" | Orthodox | 10 | 6 | 0 | |
| Adam | Steele | -- | 170 lbs. | -- | 0 | 1 | 0 | |||
| Dominique | Steele | Non-Stop Action-Packed | 5' 10" | 170 lbs. | 74.0" | Orthodox | 14 | 9 | 0 | |
| Ricky | Steele | The Karate Kid | 5' 9" | 135 lbs. | 74.0" | Orthodox | 6 | 0 | 0 | |
| Kody | Steele | 5' 9" | 155 lbs. | 71.0" | Orthodox | 6 | 0 | 0 | ||
| Eric | Steenberg | -- | 155 lbs. | -- | 5 | 1 | 0 | |||
| Steve | Steinbeiss | The Hooligan | 6' 3" | 185 lbs. | 75.0" | Orthodox | 9 | 4 | 0 | |
| Ray | Steinbeiss | Ipswitch Cobra | 5' 11" | 170 lbs. | -- | Orthodox | 14 | 7 | 0 | |
| 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 | ||
| Navajo | Stirling | 6' 4" | 205 lbs. | 79.0" | Orthodox | 5 | 0 | 0 |