Usman Nurmagomedov def. Brent Primus via UD (50-45, 50-45, 50-45)
Cris Cyborg def. Cat Zingano via TKO (ground and pound) – Round 1, 4:01
Liz Carmouche def. Ilima-Lei Macfarlane via TKO (injury) – Round 5, 0:17
Bobby Seronio III def. Alberto Garcia via UD (30-27, 30-27, 30-27)
Leah McCourt def. Sara McMann via TKO (ground and pound) – Round 1, 4:30
Sergio Cossio def. Jesse Roberts via submission (triangle choke) – Round 3, 4:05
Kai Kamaka III def. Henry Corrales via split decision (29-28, 28-29, 30-27)
Slim Trabelsi def. Davion Franklin via submission (verbal) – Round 1, 3:09
Dovletdzhan Yagshimuradov def. Maciej Rozanski via UD (30-27, 29-28, 29-28)
Mukhamed Berkhamov def. Herman Terrado via UD (30-27, 30-27, 30-27)
Grant Neal def. Romero Cotton via UD (29-28, 30-27, 29-28)
Jena Bishop def. Ilara Joanne via submission (armbar) – Round 1, 2:45
Josh Hokit def. Spencer Smith via submission (arm-triangle choke) – Round 3, 3:48
Bryce Meredith def. Miguel Peimbert via UD (30-26, 30-27, 30-27)
Dmytrii Hrytsenko def. Justin Montalvo via UD (29-28, 29-28, 29-28)
Jackie Cataline def. Lorrany Santos via UD (30-27, 30-27, 30-26)
Bellator 300 took place on October 7th, 2023 in California.
