The Dominican Baseball Federation announced their final roster on July 8, 2021.
The Israel Association of Baseball announced the team's final roster on July 5, 2021.
[9] Héctor Velázquez and Sammy Solís were removed from the roster after testing positive for COVID-19.
[11][12] Ryan Goins replaced Brandon Laird, who did not receive permission from his professional team to participate.
The Korea Baseball Organization announced the team's final roster on June 15, 2021.