Two hours before the Mariners are scheduled to play the Orioles in the Kingdome, four 15-pound wood-fiber tiles fall from the ceiling of the stadium, landing in the empty seats. The game is postponed indefinitely as an inspection finds that many water-damaged tiles will have to be replaced before baseball can be played there again this season.

Cardinals P Vicente Palacios hurls a one-hit shutout against Houston, defeating the Astros, 10 – 0. Palacios allows only a 3rd-inning single to Andujar Cedeno and a walk, while striking out eight batters. It is Palacios’s 31st birthday.