Boston Red Sox - Wikipedia
https://en.wikipedia.org/wiki/Boston_Red_SoxIn 1901, the minor Western League, led by Ban Johnson, declared itself to be equal to the National League, then the only major league in baseball. Johnson had changed the name of the league to the American League prior to the 1900 season. In 1901, the league created a franchise in Boston, called the "Boston Americans", to compete with the National League team there.