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Adjusted Pitching Runs: Measures pitching production in terms of runs prevented above average.
A method introduced by Pete Palmer in the book "Total Baseball" to calculate a pitcher's value in runs above average. It is calculated differently here than in "Total Baseball."
APR = L * IP - R / pf(P)
- L: Average number of runs per inning pitched in the league
- IP: Innings Pitched
- R: Runs Allowed
- pf(P): park factor for the player's home park P.
This measure was introduced by Michael Wolverton here.
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