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Why do baseball players avoid talking about a no-hitter during a game?

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In baseball, the practice of avoiding mention of a no-hitter in progress is rooted in superstition. Players and teammates often refrain from using the words "no-hitter" or "perfect game" to avoid "jinxing" the pitcher's performance.

This unwritten rule, part of a collection of baseball traditions known as "The Code," often results in the pitcher being left isolated in the dugout during the game to maintain the focus and momentum required to complete the feat.1