In Jersey City, Cards RF Wally Moon hits his first major league home run, but St. Louis loses, 5 – 3, to the Dodgers. The Dodgers score five unearned runs in the 4th.

This Day In Baseball

On May 16, 1956 — In Jersey City, Cards RF Wally Moon hits his first major league home run, but St. Louis loses, 5 – 3, to the Dodgers. The Dodgers score five unearned runs in the 4th.

Source:
Baseball Reference May 16