The event marked the promotion's third visit to San Diego and first since
Bellator 300 in October 2023. A
Bellator Lightweight World Championship bout between current champion
Usman Nurmagomedov and
Alexandr Shabliy headlined the event. The pair was previously expected to headline at
Bellator Champions Series 2, but Nurmagomedov withdrew from the event due to injury. Roughly a two-week before the card there a fight changes made:{{Cite web |last=Guillen |first=Adam |date=2024-08-29 |title=Bellator San Diego loses two fights, including Raufeon Stots vs. Marcos Breno co-main event • On August 29, it was announced that two bouts between
Raufeon Stots vs. Marcos Breno and Grant Neal vs. Khalid Murtazaliev were removed from the event for unknown reasons. • Keri-Taylor Melandez was scheduled to face
Sumiko Inaba in a women's flyweight bout, but she withdrew due to knee injury and was replaced by Mackenzie Stiller. == Results ==