Chicago White Sox pitcher Joe Cowley sets a major league record by striking out the first seven Texas Rangers batters he faces, but still surrenders six runs in 4 1/3 innings and loses, 6 – 3. Cowley’s record will be broken by Jim Deshaies of the Houston Astros before season’s end.

On May 28, 1986 — Chicago White Sox pitcher Joe Cowley sets a major league record by striking out the first seven Texas Rangers batters he faces, but still surrenders six runs in 4 1/3 innings and loses, 6 – 3. Cowley’s record will be broken by Jim Deshaies of the Houston Astros before season’s end.

Source:
Baseball Reference May 28