Chicopee won the first half of the season and Springfield won the second half. League ceased operation on January 30, 1904, so no champion was declared.

1st Half

TEAMWLPctGB
1904 Chicopee Ducklings LogoChicopee  163.842-
1904 Pittsfield (Mass.) LogoPittsfield  125.7063.0
1904 Springfield Shawmuts LogoSpringfield  146.7002.5
1904 Holyoke (Central) LogoHolyoke 137.6503.5
1904 Westfield Whirlwinds LogoWestfield 810.4447.5
1904 Ware Wonders LogoWare 712.3689.0
1904 Northampton (Mass.) LogoNorthampton 413.23511.0
1904 Thompsonville (Mass.) LogoThompsonville  018.00015.5

2nd Half

1904 Springfield Ducklings LogoSpringfield  2813.683-
1904 Chicopee Ducklings LogoChicopee  1212.5007.5
1904 Northampton (Mass.) LogoNorthampton 2021.4888.0
1904 Westfield Whirlwinds LogoWestfield 2023.4659.0
1904 Ware Wonders LogoWare 1821.4629.0
1904 Holyoke (Central) LogoHolyoke 1624.40011.5