| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Daniel | Spitz | 6' 7" | 245 lbs. | 82.0" | Orthodox | 6 | 3 | 0 | ||
| Serghei | Spivac | Polar Bear | 6' 3" | 260 lbs. | 78.0" | Orthodox | 16 | 4 | 0 | |
| Daniel | Spohn | Dragon | 6' 4" | 205 lbs. | 79.0" | Southpaw | 15 | 6 | 0 | |
| Pete | Spratt | The Secret Weapon | 5' 9" | 170 lbs. | -- | Orthodox | 25 | 23 | 0 | |
| Austin | Springer | 5' 8" | 145 lbs. | 71.0" | Orthodox | 12 | 4 | 0 | ||
| Georges | St-Pierre | Rush | 5' 11" | 185 lbs. | 76.0" | Orthodox | 26 | 2 | 0 | |
| Bobby | Stack | 5' 9" | 155 lbs. | -- | Orthodox | 8 | 3 | 0 | ||
| Andreas | Stahl | Real Steel | 5' 11" | 170 lbs. | -- | Orthodox | 10 | 4 | 0 | |
| Ron | Stallings | The Choir Boy | 6' 2" | 170 lbs. | 75.0" | Southpaw | 14 | 8 | 0 | |
| Cody | Stamann | The Spartan | 5' 6" | 135 lbs. | 64.0" | Orthodox | 21 | 6 | 1 | |
| Cristina | Stanciu | Barbie | 5' 3" | 115 lbs. | -- | Orthodox | 5 | 2 | 0 | |
| Brian | Stann | All American | 6' 1" | 205 lbs. | 74.0" | Orthodox | 12 | 6 | 0 | |
| Josh | Stansbury | The Sandman | 6' 2" | 205 lbs. | 74.0" | Orthodox | 4 | 8 | 0 | |
| Dion | Staring | Soldier | 6' 1" | 235 lbs. | -- | Orthodox | 35 | 14 | 0 | |
| 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 | |
| Eric | Steenberg | -- | 155 lbs. | -- | 5 | 1 | 0 | |||
| Steve | Steinbeiss | The Hooligan | 6' 3" | 185 lbs. | 75.0" | Orthodox | 9 | 4 | 0 |