Team Logo. The Clinton Giants were a team in the Midwest League. They were the Low-A affiliate of the San Francisco Giants. In 1994 they changed their name to the Clinton LumberKings. Retrieved from "https://prosportsteams.fandom.com/wiki/Clinton_Giants?oldid=10091" Categories: Former MWL Teams Teams in Iowa Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.