The Mutuals of New York journey to Boston, MA on a three-day visit‚ during which time they will beat the Tri-Mountains (69 – 17)‚ the Harvards (43 – 11)‚ and the Lowells (26 – 21).

On May 23, 1869 — The Mutuals of New York journey to Boston, MA on a three-day visit‚ during which time they will beat the Tri-Mountains (69 – 17)‚ the Harvards (43 – 11)‚ and the Lowells (26 – 21).

Source:
Baseball Reference May 23