Team Logo. The Missouri Monsters were a team in the Ultimate Indoor Football League. They only played one season under this name. In 2014 they moved to the X-League and changed their name to the St. Louis Attack. Retrieved from "https://prosportsteams.fandom.com/wiki/Missouri_Monsters?oldid=13588" Categories: UIFL Teams Teams in Missouri Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.