In the longest night game at Wrigley Field, 5 hours, 19 minutes, Ricky Gutierrez singles home the go-ahead run in the 15th to give the Houston Astros a 9 – 7 win over the Chicago Cubs.

On July 14, 1997 In the longest night game at Wrigley Field, 5 hours, 19 minutes, Ricky Gutierrez singles home the go-ahead run in the 15th to give the Houston Astros a 9 – 7 win over the Chicago Cubs.

Source
Baseball Reference July 14