| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Adam | Piccolotti | 5' 11" | 155 lbs. | -- | 9 | 0 | 0 | |||
| Vinc | Pichel | From Hell | 5' 10" | 155 lbs. | 72.0" | Orthodox | 14 | 4 | 0 | |
| Brad | Pickett | One Punch | 5' 6" | 135 lbs. | 68.0" | Orthodox | 25 | 14 | 0 | |
| Jamie | Pickett | The Night Wolf | 6' 2" | 185 lbs. | 80.0" | Orthodox | 13 | 11 | 0 | |
| Fabiola | Pidroni | The Queen | -- | 115 lbs. | -- | 5 | 0 | 0 | ||
| Oskar | Piechota | Imadlo | 6' 0" | 185 lbs. | 76.0" | Southpaw | 11 | 3 | 1 | |
| Nick | Piedmont | No Limit | 5' 10" | 145 lbs. | -- | 12 | 7 | 1 | ||
| Mike | Pierce | 5' 8" | 170 lbs. | 71.0" | Orthodox | 17 | 7 | 0 | ||
| Joao | Pierini | 6' 1" | 155 lbs. | -- | Switch | 4 | 1 | 0 | ||
| Jonathan | Piersma | Warhawk | 5' 11" | 170 lbs. | 73.0" | Orthodox | 9 | 3 | 0 | |
| Sean | Pierson | The Punisher | 6' 0" | 170 lbs. | 76.0" | Southpaw | 14 | 6 | 0 | |
| Domingo | Pilarte | Son of Fire | 6' 0" | 135 lbs. | 73.0" | Southpaw | 8 | 3 | 0 | |
| Paddy | Pimblett | The Baddy | 5' 10" | 155 lbs. | 73.0" | Orthodox | 22 | 3 | 0 | |
| Daniel | Pineda | The Pit | 5' 7" | 145 lbs. | 69.0" | Orthodox | 28 | 17 | 0 | |
| Jesus | Pinedo | El Mudo | 5' 10" | 155 lbs. | -- | Southpaw | 16 | 5 | 1 | |
| Pingyuan | Liu | 5' 6" | 135 lbs. | 72.0" | Orthodox | 13 | 7 | 0 | ||
| Luana | Pinheiro | 5' 2" | 115 lbs. | 62.0" | Orthodox | 11 | 4 | 0 | ||
| Mario | Pinto | 6' 5" | 265 lbs. | 79.0" | Orthodox | 9 | 0 | 0 | ||
| Gaetano | Pirrello | El Tigre | 5' 7" | 135 lbs. | 65.0" | Orthodox | 15 | 7 | 1 | |
| Maki | Pitolo | Coconut Bombz | 5' 10" | 185 lbs. | 75.0" | Orthodox | 13 | 9 | 0 | |
| Dmitry | Poberezhets | 6' 3" | 237 lbs. | -- | 24 | 5 | 1 | |||
| Jamal | Pogues | 6' 3" | 205 lbs. | 77.0" | Orthodox | 11 | 4 | 0 | ||
| Ross | Pointon | The Gladiator | 5' 8" | 170 lbs. | -- | Orthodox | 6 | 17 | 0 | |
| Dustin | Poirier | The Diamond | 5' 9" | 155 lbs. | 72.0" | Southpaw | 30 | 9 | 0 |