The Giants, 2-13 and in last place, open their western swing with a 13 – 5 win at Pittsburgh. New York uses three pitchers, and pounds three Buc hurlers for 16 hits. New York will win their next 16 games.

On May 9, 1916 — The Giants, 2-13 and in last place, open their western swing with a 13 – 5 win at Pittsburgh. New York uses three pitchers, and pounds three Buc hurlers for 16 hits. New York will win their next 16 games.

Source:
Baseball Reference May 9