In the first of two with the Cleveland Indians, Wes Stock wins his 12th straight game, all in relief, 5 – 3. The Kansas City A’s take the nightcap, 3 – 2.

On July 15, 1964 In the first of two with the Cleveland Indians, Wes Stock wins his 12th straight game, all in relief, 5 – 3. The Kansas City A’s take the nightcap, 3 – 2.

Source
Baseball Reference July 15