Team Logo. The Midland RockHounds are a team in the Texas League. They are the Double-A affiliate of the Oakland Athletics. They have averaged more than 250, 000 fans since they moved to their current ballpark. Retrieved from "https://prosportsteams.fandom.com/wiki/Midland_RockHounds?oldid=6900" Categories: Texas League teams Teams in Texas Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.