Sorted alphabetically by last name · 2707 fighters
| Name | Nickname | |
|---|---|---|
| SM | Scott Morris | |
| SS | Scott Smith | "Hands of Steel" |
| SA | Sean Alvarez | |
| SB | Sean Brady | |
| SD | Sean Daugherty | |
| SG | Sean Gannon | "The Cannon" |
| SM | Sean McCorkle | |
| SO | Sean O'Connell | "The Real OC" |
| SO | Sean O'Malley | "Suga" |
| SP | Sean Pierson | "The Punisher" |