Team Logo. The Gate City Pioneers were a team in the Pioneer League. They were unaffiliated with the Major Leagues. In 1991 they changed their name to the Pocatello Pioneers. Retrieved from "https://prosportsteams.fandom.com/wiki/Gate_City_Pioneers?oldid=16843" Categories: Former PL Teams Teams in Idaho Teams in Pocatello Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.