The Kansas City Athletics score 2 runs in the 9th to tie the Washington Senators at 5 apiece, then score another 2 runs in the 17th to win, 7 – 6. The tying run scores on a wild pitch by Camilo Pascual and the winner comes on a Jim Finigan homer.

On May 23, 1956 — The Kansas City Athletics score 2 runs in the 9th to tie the Washington Senators at 5 apiece, then score another 2 runs in the 17th to win, 7 – 6. The tying run scores on a wild pitch by Camilo Pascual and the winner comes on a Jim Finigan homer.

Source:
Baseball Reference May 23