World Series

1912-Chicago Cubs Def. Boston Red Sox (4-2)

1911-Pittsburgh Pirates Def. Philadelphia Athletics (4-3)

1910-Pittsburgh Pirates Def. Boston Red Sox (4-3)

1909-Pittsburgh Pirates Def. New York Yankees (4-2)
1908-Pittsburgh Pirates Def. Philadelphia Athletics (4-0)

1907-Pittsburgh Pirates Def. Philadelphia Athletics (4-3)

1906-Cincinnati Reds Def. New York Yankees (4-1)

1905-New York Yankees Def. Cincinnati Reds (4-3)

1904-Chicago Cubs Def. Boston Red Sox (4-2)

1903-Pittsburgh Pirates Def. Philadelphia Athletics (4-2)

1902-Pittsburgh Pirates Def. Philadelphia Athletics (4-2)
1901-Pittsburgh Pirates Def. Detroit Tigers (4-1)