';
| Fighter | Nickname | Height | Weight | Association | |
| Jesse Merritt | "Juvenile" | 6'0" (1.83 m) |
170 lbs (77.11 kg) |
Fight Science | |
| John Robles | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Fight Science | ||
| Julian Rush | "Mr. Niceguy" | 0'0" (0 m) |
220 lbs (99.79 kg) |
Fight Science | |
| Julio Santa Cruz | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Fight Science | ||
| Kaiyana Rain | 5'2" (1.57 m) |
105 lbs (47.63 kg) |
Fight Science | ||
| Ken Jann Fajardo | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
Fight Science MMA | ||
| Leo Hirai | 0'0" (0 m) |
155 lbs (70.31 kg) |
Fight Science | ||
| Luis Salguero | 0'0" (0 m) |
0 lbs (0 kg) |
PKG/Fight Science | ||
| Luis Suarez | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
Fight Science | ||
| Melanie Lacroix | 0'0" (0 m) |
135 lbs (61.23 kg) |
Fight Science | ||
| Michael Jackson | "Blackjack" | 5'11" (1.8 m) |
145 lbs (65.77 kg) |
Fight Science | |
| Nick Chapman | "Headhunter" | 6'3" (1.91 m) |
205 lbs (92.99 kg) |
Fight Science Gym | |
| Reshan Sabaratnam | 5'9" (1.75 m) |
145 lbs (65.77 kg) |
Fight Science | ||
| Rob Fernandes | "The Boston Strangla" | 6'2" (1.88 m) |
152 lbs (68.95 kg) |
PKG / Fight Science | |
| Sheridan Lopez | 4'11" (1.5 m) |
115 lbs (52.16 kg) |
Fight Science MMA | ||
| Terrion Ware | "Flash" | 5'8" (1.73 m) |
135 lbs (61.23 kg) |
Fight Science | |
| Thien Luu-Nguyen | 5'4" (1.63 m) |
155 lbs (70.31 kg) |
Fight Science MMA | ||
| Thomas Maurice | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
Fight Science MMA | ||
| Trang Tang | 0'0" (0 m) |
135 lbs (61.23 kg) |
Fight Science Gym | ||
| Vince Cachero | "The Anomaly" | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
Fight Science / A4 Fitness | |