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Strikeouts per nine innings

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Strikeouts per nine innings
Abbreviations K/9, K/9IP
Type Pitching
Components strikeouts, innings pitched
Formula
K/9 = 9 \cdot \frac{K}{IP}

Strikeouts per nine innings pitched is a statistic measuring the average number of strikeouts (K) by a pitcher in nine innings pitched (IP).

All Time Leaders
Span Player Total Notes
Career Randy Johnson 10.61
Season Randy Johnson 13.41 2001
1000 inning minimum for career
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