In the main event, former UFC heavyweight champion Junior dos Santos will square off against fellow UFC veteran Yorgan De Castro in a heavyweight contest. Dos Santos will be competing for the first time since his departure from the UFC in early 2021. De Castro won his Eagle FC debut in January with a first-round guillotine over Shaun Asher in 64 seconds.
Eagle Fighting Championship 44: Spong vs. Kharitonov was a mixed martial arts event held by Eagle Fighting Championship on January 28, 2022, in Miami, Florida, USA.
The submission grappling event created by Chael Sonnen, Submission Underground, returns for its 19th event and the final for 2020 with a barn burner of jiu-jitsu matches from Oregon. The line-up is peppered with UFC fighters including Donald Cerrone, Rafael dos Anjos, Felicia Spencer and Anthony “Rumble” Johnson amongst former fighters and Bellator standouts.