| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Daniel | Sarafian | 5' 9" | 185 lbs. | 73.0" | Orthodox | 10 | 6 | 0 | ||
| Jeka | Saragih | 5' 8" | 145 lbs. | 69.0" | Orthodox | 14 | 5 | 0 | ||
| Diego | Saraiva | The Octopus | 5' 6" | 155 lbs. | -- | Orthodox | 22 | 20 | 1 | |
| Harris | Sarmiento | The Hitman | 5' 9" | 155 lbs. | -- | Orthodox | 36 | 26 | 0 | |
| Alexander | Sarnavskiy | Tiger | 5' 11" | 155 lbs. | -- | 35 | 6 | 0 | ||
| Yuki | Sasaki | 6' 2" | 185 lbs. | -- | Orthodox | 25 | 22 | 2 | ||
| Kyosuke | Sasaki | 5' 7" | 183 lbs. | -- | Southpaw | 3 | 7 | 4 | ||
| Yuta | Sasaki | Ulka | 5' 10" | 125 lbs. | 71.0" | Southpaw | 21 | 6 | 2 | |
| Paul | Sass | 6' 0" | 155 lbs. | 73.0" | Orthodox | 14 | 2 | 0 | ||
| Keisuke | Sasu | Sasuke | 5' 5" | 145 lbs. | 69.0" | Switch | 11 | 3 | 1 | |
| Masaaki | Satake | 6' 1" | 220 lbs. | -- | Orthodox | 1 | 8 | 1 | ||
| Takenori | Sato | 5' 10" | 170 lbs. | -- | Southpaw | 19 | 11 | 7 | ||
| Takashi | Sato | Ten | 5' 10" | 170 lbs. | 73.0" | Southpaw | 16 | 7 | 0 | |
| Shogo | Sato | Tora | 5' 7" | 170 lbs. | 66.0" | Southpaw | 5 | 1 | 0 | |
| Uran | Satybaldiev | Gorilla | 6' 4" | 205 lbs. | 79.0" | Orthodox | 9 | 1 | 0 | |
| Jeimeson | Saudino | The Minion | 5' 6" | 135 lbs. | -- | 8 | 5 | 0 | ||
| Tom | Sauer | 6' 1" | 263 lbs. | -- | 25 | 12 | 0 | |||
| Townsend | Saunders | 5' 5" | 170 lbs. | -- | Orthodox | 0 | 2 | 0 | ||
| Ben | Saunders | Killa B | 6' 2" | 170 lbs. | 77.0" | Orthodox | 22 | 13 | 2 | |
| Chad W. | Saunders | 5' 10" | 170 lbs. | -- | Orthodox | 7 | 2 | 0 | ||
| Chris | Saunders | The So Cal Kid | 5' 8" | 155 lbs. | -- | 16 | 8 | 0 | ||
| Christien | Savoie | The Tiger | 5' 11" | 170 lbs. | 72.0" | Orthodox | 10 | 2 | 1 | |
| Lumumba | Sayers | 6' 0" | 185 lbs. | -- | 6 | 5 | 0 | |||
| Matt | Sayles | 5' 7" | 155 lbs. | 68.0" | Orthodox | 8 | 4 | 0 |