The Baltimore Orioles are an American professional baseball team based in Baltimore, Maryland. They compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. As one of the American League’s eight charter teams in 1901, this particular franchise spent its first year as a major league club in Milwaukee, Wisconsin, as the Milwaukee Brewers before moving to St. Louis, Missouri, to become the St. Louis Browns in 1902.