On April 11, 1990 — Mark Langston, tossing seven innings in his Angel debut, and Mike Witt, author of a perfect game in 1984, combine to pitch a 1-0 Opening Day no-hitter against the Mariners at Anaheim Stadium. Dante Bichette’s seventh-inning walk with the bases loaded accounts for the game’s only run.

Source:
National Pastime

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