[1] However, on July 26, it was announced McKee had pulled out of the bout due to medical issues and was replaced by current Rizin Lightweight Champion Roberto de Souza at a catchweight of 161 pounds.

[6] For the co-main event, an inaugural Bellator Flyweight Championship bout between former Bellator Bantamweight Champion Kyoji Horiguchi (also former two-time Rizin Bantamweight Champion) and Makoto Takahashi took place at the event.

[3] A Rizin Bantamweight Championship bout for the vacant title between former Bellator Bantamweight Champion Juan Archuleta and former champion Kai Asakura was scheduled to take place at the event.

[8][4] Former champion Kyoji Horiguchi vacated the title on December 22 after moving down to the flyweight division.

[9] However, on July 18 it was announced that Asakura withdrew due to injury and was replaced by Hiromasa Ougikubo.