In the early days of the Baltimore Orioles, the franchise was considered a member of the Major League system, which back in 1891 didn't include the American League. The American Association (which would become a Triple-A system for many years) was at this point, a member of the Major Leagues along with the National League. The American League wouldn't rise to power until 1901. These Major League Baltimore Orioles however have nothing to do with today's Baltimore Orioles and are actually descendants of the New York Yankees, as the Bronx Bombers moved to New York from Baltimore in 1903.