Hisashi Iwakuma of the Mariners throws a no-hitter in blanking the Orioles, 3 – 0. It is the first complete game and shutout of Iwakuma’s career, and he becomes the second Japanese pitcher to throw a no-hitter, after Hideo Nomo, who had two of them.

This Day In Baseball

On August 12, 2015 — Hisashi Iwakuma of the Mariners throws a no-hitter in blanking the Orioles, 3 – 0. It is the first complete game and shutout of Iwakuma’s career, and he becomes the second Japanese pitcher to throw a no-hitter, after Hideo Nomo, who had two of them.

Source:
Baseball Reference August 12
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game