| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Yusup | Saadulaev | Maestro | 5' 6" | 135 lbs. | -- | 16 | 4 | 1 | ||
| Cameron | Saaiman | MSP | 5' 8" | 135 lbs. | 67.0" | Southpaw | 9 | 2 | 0 | |
| Pete | Sabala | -- | 135 lbs. | -- | 3 | 15 | 0 | |||
| Danny | Sabatello | Italian Gangster | 5' 10" | 135 lbs. | 71.0" | Orthodox | 9 | 1 | 0 | |
| Pat | Sabatini | 5' 8" | 145 lbs. | 70.0" | Orthodox | 19 | 5 | 0 | ||
| Amir | Sadollah | 5' 10" | 170 lbs. | 75.0" | Orthodox | 6 | 5 | 0 | ||
| Nazim | Sadykhov | Black Wolf | 5' 10" | 155 lbs. | 69.0" | Southpaw | 9 | 1 | 1 | |
| Frankie | Saenz | 5' 6" | 135 lbs. | 66.0" | Orthodox | 13 | 7 | 0 | ||
| Saparbeg | Safarov | 6' 1" | 185 lbs. | 78.0" | Orthodox | 9 | 3 | 0 | ||
| Tarec | Saffiedine | Sponge | 5' 10" | 170 lbs. | 70.0" | Switch | 16 | 7 | 0 | |
| Jason | Saggo | 5' 11" | 155 lbs. | 71.0" | Orthodox | 12 | 4 | 0 | ||
| Kiru | Sahota | 5' 10" | 125 lbs. | 73.0" | Orthodox | 12 | 2 | 0 | ||
| Tatsuya | Saika | Yanbo | 6' 0" | 155 lbs. | 73.0" | Orthodox | 11 | 5 | 0 | |
| Benoit | Saint Denis | God of War | 5' 11" | 155 lbs. | 73.0" | Southpaw | 13 | 3 | 0 | |
| Ovince | Saint Preux | 6' 3" | 205 lbs. | 80.0" | Southpaw | 27 | 18 | 0 | ||
| Lukasz | Sajewski | Wookie | 5' 8" | 155 lbs. | 71.0" | Orthodox | 13 | 3 | 0 | |
| Yukio | Sakaguchi | 5' 9" | 185 lbs. | -- | Orthodox | 6 | 7 | 0 | ||
| Augusto | Sakai | 6' 3" | 265 lbs. | 77.0" | Orthodox | 16 | 5 | 1 | ||
| Alessio | Sakara | Legionarius | 6' 0" | 185 lbs. | 72.0" | Orthodox | 19 | 11 | 0 | |
| Wataru | Sakata | 5' 9" | 195 lbs. | -- | Southpaw | 11 | 14 | 0 | ||
| Gokhan | Saki | The Rebel | 6' 0" | 205 lbs. | 73.0" | Orthodox | 1 | 2 | 0 | |
| Kazushi | Sakuraba | The Gracie Hunter | 6' 0" | 185 lbs. | -- | Southpaw | 26 | 17 | 1 | |
| Hayato | Sakurai | Mach | 5' 7" | 168 lbs. | -- | Orthodox | 38 | 13 | 2 | |
| Ryuta | Sakurai | 5' 7" | 183 lbs. | -- | Orthodox | 24 | 24 | 6 | ||
| Justin | Salas | J-Bomb | 5' 8" | 155 lbs. | 70.0" | Southpaw | 12 | 7 | 0 |