After six straight home rainouts, the Yanks play their first home night game of the year, against Washington. Mickey Mantle breaks a 2 – 2 tie in the 3rd with an inside-the-park solo homer off Pedro Ramos. New York rolls to a 9 – 5 win.

On May 9, 1958 — After six straight home rainouts, the Yanks play their first home night game of the year, against Washington. Mickey Mantle breaks a 2 – 2 tie in the 3rd with an inside-the-park solo homer off Pedro Ramos. New York rolls to a 9 – 5 win.

Source:
Baseball Reference May 9