In Cleveland, pitcher Babe Ruth is lifted with one out in the 6th and the Red Sox leading 6 – 5. Dutch Leonard then shuts down the Indians to preserve the victory, and he is awarded the win by the official scorer. The decision is eventually reversed, giving Ruth his 8th straight win. The White Sox will stop his streak on May 18th.

On May 15, 1917 — In Cleveland, pitcher Babe Ruth is lifted with one out in the 6th and the Red Sox leading 6 – 5. Dutch Leonard then shuts down the Indians to preserve the victory, and he is awarded the win by the official scorer. The decision is eventually reversed, giving Ruth his 8th straight win. The White Sox will stop his streak on May 18th.

Source:
Baseball Reference May 15