Baseball Instruction/Statistical Question

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Question
In calculating ERA for a high school pitcher playing in seven-inning games I am assuming that earned runs divided by innings should be multiplied by seven instead of nine.  Correct?

Thank you.

Ken

Answer
Ken,

I think pretty much everyone still uses nine innings.  ERA using nine is so ingrained that I don't think people would understand if someone used seven as the divisor.

Whenever they show a high school kids stats when they are drafted, they use nine inning ERA.

Hope this helps!

Brian

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Brian Flaspohler

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Questions about baseball rules, general information about the game, statistical analysis, questions about players, questions about Baseball records. I am a member of the Society for American Baseball Research (SABR) and a lifelong baseball fanatic. Don't ask me questions about training - this is not my area of expertise.

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