Team Logo. The Cedar Rapids Astros were a team in the Midwest League. They were the Low-A affiliate of the Houston Astros. In 1975 they changed their name to the Cedar Rapids Giants. Retrieved from "https://prosportsteams.fandom.com/wiki/Cedar_Rapids_Astros?oldid=10123" Categories: Former MWL Teams Teams in Iowa Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.