Team Logo. The Hardware City Rock Cats were a team in the Eastern League. They were the AA affiliate of the Minnesota Twins. In 1997 they changed their name to the New Britain Rock Cats. Retrieved from "https://prosportsteams.fandom.com/wiki/Hardware_City_Rock_Cats?oldid=7328" Categories: Former EL Teams Teams in Connecticut Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.