[2] Originally set to be the co-headliner, the bout was promoted to the main event on October, 6, 2021, when Patricky Pitbull's younger brother and Bellator MMA Lightweight World Champion Patrício Pitbull announced he was vacating the title, not wanting to get in the way of his older brothers title aspirations.

Patricky Pitbull vs. Peter Queally was for the vacant Bellator Lightweight World Championship.

[8] On October 6, Norbert announced that he had suffered a torn ACL and had to pull out of the bout and was replaced by #4 ranked Fabian Edwards.

[9] Ward had to pull out however due to a ruptured bicep and was replaced by promotional newcomer Robert Fonseca.

The bout proceeded at catchweight and Mix was fined a percentage of his purse which went to his opponent James Gallagher.