At Cleveland, Pedro Ramos gives up four home runs to New York – Tony Kubek, Mickey Mantle, Joe Pepitone, and Hector Lopez – as the Yankees win, 6 – 2.

On May 9, 1964 — At Cleveland, Pedro Ramos gives up four home runs to New York – Tony Kubek, Mickey Mantle, Joe Pepitone, and Hector Lopez – as the Yankees win, 6 – 2.

Source:
Baseball Reference May 9