Pedro Ramos of the Cleveland Indians pitches a three-hitter and hits two home runs, including a grand slam, for a 7 – 0 victory over the Baltimore Orioles in the first game of a doubleheader at Memorial Park. Cleveland will win the second game by the identical score.

On May 30, 1962 — Pedro Ramos of the Cleveland Indians pitches a three-hitter and hits two home runs, including a grand slam, for a 7 – 0 victory over the Baltimore Orioles in the first game of a doubleheader at Memorial Park. Cleveland will win the second game by the identical score.

Source:
Baseball Reference May 30