Dodger Bob Welch faces the minimum 27 batters in a 3 – 0 one-hitter against the Braves. The lone Atlanta baserunner is Larvell Blanks‚ who singles in the 4th inning and is erased on a double play.

On May 29, 1980 — Dodger Bob Welch faces the minimum 27 batters in a 3 – 0 one-hitter against the Braves. The lone Atlanta baserunner is Larvell Blanks‚ who singles in the 4th inning and is erased on a double play.

Source:
Baseball Reference May 29