Bellator 284: Gracie vs. Yamauchi was a mixed martial arts event produced by Bellator MMA that took place on August 12, 2022, at Sanford Pentagon in Sioux Falls, South Dakota, United States.

[1][2] The main event will feature a battle of submission specialists, with Neiman Gracie taking on Goiti Yamauchi.

Yamauchi has won back-to-back fights, winning his debut at welterweight against Levan Chokheli in his last bout.

[4] A featherweight bout between Ilias Bulaid and Weber Almeida was scheduled to this event.

[7] However after Adams pulled out of the bout 2 weeks before the event, Aaron Jeffery stepped in on short notice.