Seattle P Randy Johnson hurls a one-hit, 7 – 0 victory over the Athletics. He loses his no-hitter when Lance Blankenship singles with one out in the 9th inning.

On May 16, 1993 — Seattle P Randy Johnson hurls a one-hit, 7 – 0 victory over the Athletics. He loses his no-hitter when Lance Blankenship singles with one out in the 9th inning.

Source:
Baseball Reference May 16