| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Zachary | Scroggin | 6' 3" | 170 lbs. | 74.0" | Orthodox | 7 | 1 | 0 | ||
| Mike | Seal | Crazy Boy | 6' 4" | 185 lbs. | -- | Orthodox | 13 | 15 | 1 | |
| Matt | Secor | 6' 0" | 170 lbs. | -- | 8 | 4 | 0 | |||
| Kenneth | Seegrist | 6' 0" | 185 lbs. | -- | Orthodox | 4 | 7 | 0 | ||
| Neil | Seery | 2Tap | 5' 4" | 125 lbs. | 64.0" | Orthodox | 16 | 13 | 0 | |
| Rony | Sefo | 5' 9" | 225 lbs. | -- | Orthodox | 0 | 2 | 0 | ||
| Ray | Sefo | Sugarfoot | 6' 0" | 240 lbs. | -- | Orthodox | 2 | 2 | 0 | |
| Brendan | Seguin | 6' 0" | 185 lbs. | -- | 23 | 19 | 1 | |||
| Tetsuya | Seki | 5' 10" | 155 lbs. | -- | 14 | 8 | 1 | |||
| Stefan | Sekulic | 6' 0" | 170 lbs. | 75.0" | Southpaw | 12 | 4 | 0 | ||
| Pete | Sell | Drago | 5' 11" | 170 lbs. | 75.0" | Orthodox | 10 | 7 | 0 | |
| Matthew | Semelsberger | Semi The Jedi | 6' 1" | 170 lbs. | 75.0" | Switch | 11 | 8 | 0 | |
| Andrei | Semenov | 6' 0" | 185 lbs. | -- | Orthodox | 34 | 9 | 2 | ||
| Mackens | Semerzier | Da Menace | 5' 9" | 145 lbs. | 72.0" | Orthodox | 8 | 4 | 0 | |
| Brandon | Sene | 5' 11" | 205 lbs. | -- | 2 | 2 | 0 | |||
| YeDam | Seo | 5' 3" | 115 lbs. | 63.0" | Orthodox | 7 | 4 | 0 | ||
| Kim In | Seok | 5' 6" | 145 lbs. | -- | Orthodox | 3 | 6 | 0 | ||
| Ray | Seraille | 6' 3" | 246 lbs. | -- | 8 | 9 | 0 | |||
| Ivan | Serati | 6' 0" | 205 lbs. | -- | Orthodox | 12 | 4 | 0 | ||
| Alex | Serdyukov | The Russian Crusher | 6' 2" | 170 lbs. | 74.0" | Orthodox | 8 | 5 | 0 | |
| Nicholas | Sergiacomi | -- | 170 lbs. | -- | 1 | 1 | 0 | |||
| Matt | Serra | The Terra | 5' 6" | 170 lbs. | 68.0" | Orthodox | 11 | 7 | 0 | |
| Nick | Serra | The Mad Monkey | 5' 9" | 170 lbs. | -- | Orthodox | 7 | 3 | 0 | |
| Adrian | Serrano | 5' 8" | 170 lbs. | -- | 56 | 29 | 4 |