Floyd Youmans of the Expos pitches a one-hitter to beat the Astros and Nolan Ryan, 1 – 0. Houston’s lone hit is an 8th-inning single by Kevin Bass.

On July 8, 1987 —  Floyd Youmans of the Expos pitches a one-hitter to beat the Astros and Nolan Ryan, 1 – 0. Houston’s lone hit is an 8th-inning single by Kevin Bass.

Source:
Baseball Reference July 8