National Association -- 1879
National -- 1880-82
Massachusetts State Assoc. -- 1884
New England League -- 1888, 1891, 1894, 1898, 1906-1915, 1933
Atlantic Association -- 1889-1890
Eastern League -- 1899-1903, 1916-1926
Connecticut State -- 1904
Northeastern League -- 1934
Can-Am League -- 2005-present |