Strikeouts per nine innings

In baseball statistics, strikeouts per nine innings  (denoted by SO/9) is a measure of the strikeout ability of a pitcher; calculated as the number of strikeouts obtained for every nine innings pitched: (9 x number of strikeouts) / (innings pitched).

Related Topics:
Baseball statistics - Strikeout - Pitcher - Innings pitched

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The all-time leader in this statistic is active New York Yankees pitcher, Randy Johnson (11.119 SO/9). The only two other players who are have averaged over 10 are both active, Kerry Wood (10.432) and Pedro Martinez (10.399).

Related Topics:
New York Yankees - Randy Johnson - Kerry Wood - Pedro Martinez

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