| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Ivan | Salaverry | 6' 0" | 185 lbs. | -- | Orthodox | 14 | 9 | 0 | ||
| Roman | Salazar | El Gallito | 5' 7" | 135 lbs. | -- | Orthodox | 10 | 6 | 0 | |
| Luis | Saldana | 5' 11" | 145 lbs. | 73.0" | Orthodox | 16 | 7 | 1 | ||
| John | Salgado | Greco | 5' 10" | 170 lbs. | -- | 4 | 8 | 1 | ||
| Muslim | Salikhov | King of Kung Fu | 5' 11" | 170 lbs. | 70.0" | Orthodox | 20 | 5 | 0 | |
| Gabriel | Salinas-Jones | 6' 1" | 245 lbs. | -- | 5 | 2 | 1 | |||
| Brandon | Saling | White Steel | 5' 10" | 170 lbs. | -- | 8 | 6 | 0 | ||
| Quillan | Salkilld | 6' 0" | 155 lbs. | 75.0" | Orthodox | 7 | 1 | 0 | ||
| Sean | Salmon | 5' 10" | 185 lbs. | -- | Southpaw | 18 | 21 | 0 | ||
| Boston | Salmon | Boom Boom | 5' 9" | 135 lbs. | 69.0" | Southpaw | 6 | 3 | 0 | |
| John | Salter | 6' 1" | 185 lbs. | 74.0" | Southpaw | 14 | 3 | 0 | ||
| Vinicius | Salvador | 5' 7" | 135 lbs. | 70.0" | Southpaw | 14 | 7 | 0 | ||
| Dylan | Salvador | 5' 9" | 155 lbs. | 69.0" | Southpaw | 5 | 2 | 0 | ||
| Josh | Samman | Anqa | 6' 3" | 185 lbs. | 79.0" | Orthodox | 13 | 4 | 0 | |
| Johnny | Sampaio | 5' 8" | 170 lbs. | -- | Orthodox | 3 | 1 | 0 | ||
| Josh | Sampo | The Gremlin | 5' 4" | 125 lbs. | 64.0" | Orthodox | 11 | 5 | 0 | |
| Josh | San Diego | JSD | 5' 10" | 135 lbs. | -- | 8 | 3 | 0 | ||
| Diego | Sanchez | Nightmare | 5' 10" | 170 lbs. | 72.0" | Southpaw | 31 | 13 | 0 | |
| Eddie | Sanchez | The Manic Hispanic | 6' 2" | 230 lbs. | 74.0" | Orthodox | 15 | 8 | 0 | |
| Julian | Sanchez | 6' 3" | 300 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Bobby | Sanchez | The Kid | 5' 7" | 155 lbs. | -- | Orthodox | 10 | 35 | 0 | |
| Donald | Sanchez | 5' 10" | 145 lbs. | -- | 31 | 17 | 0 | |||
| Joby | Sanchez | 5' 6" | 135 lbs. | 68.0" | Orthodox | 11 | 4 | 0 | ||
| Emmanuel | Sanchez | El Matador | 5' 9" | 145 lbs. | 71.0" | 15 | 3 | 0 |