This day in baseball: Walter Johnson’s first win Precious Sanders 5 years ago Walter Johnson won his first major league game on August 7, 1907. At the age of 19, Johnson led the Senators to a 7-2 victory over the Indians. He would go on to compile a 417-279 (.599) record during his 21-year career, with an ERA of 2.17. Share this: This day in baseball: Walter Johnson pitches three consecutive shutoutsSeptember 7, 202220th CenturyThis day in baseball: Walter Johnson’s 36-win seasonSeptember 29, 202220th CenturyThis day in baseball: Johnson’s debutAugust 2, 201720th Century