Team Logo. The St. Louis Browns (1902-1954) were a team in Major League Baseball. They played in the American League. In 1955, they moved to Baltimore and became the Baltimore Orioles. Retrieved from "https://prosportsteams.fandom.com/wiki/St._Louis_Browns?oldid=16375" Categories: Former MLB teams Teams in Missouri Teams in St. Louis Community content is available under CC-BY-SA unless otherwise noted.