Juan Marichal allows just one hit through eight innings, but the Reds score three in the bottom of the 9th to win, 3 – 2. Tony Perez hits a two-run single to win it.

On July 17, 1971 Juan Marichal allows just one hit through eight innings, but the Reds score three in the bottom of the 9th to win, 3 – 2. Tony Perez hits a two-run single to win it.

Source
Baseball Reference July 17