The Red Sox and White Sox battle for 17 innings at Comiskey Park, before Chicago prevails, 3 – 2. Red Faber wins his 7th straight, beating Carl Mays, who takes over in the 8th.

On May 21, 1915 — The Red Sox and White Sox battle for 17 innings at Comiskey Park, before Chicago prevails, 3 – 2. Red Faber wins his 7th straight, beating Carl Mays, who takes over in the 8th.

Source:
Baseball Reference May 21