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Adjusted ERA+, often simply abbreviated to ERA+ or ERA plus, is a pitching statistic in baseball. It adjusts a pitcher's earned run average (ERA) according to the pitcher's ballpark (in case the ballpark favors batters or pitchers) and the ERA of the pitcher's league.
Win Expectancy, Run Expectancy, and Leverage Index calculations provided by Tom Tango of InsideTheBook.com, and co-author of The Book: Playing the Percentages in Baseball. Total Zone Rating and initial framework for Wins above Replacement calculations provided by Sean Smith.
Win Expectancy, Run Expectancy, and Leverage Index calculations provided by Tom Tango of InsideTheBook.com, and co-author of The Book: Playing the Percentages in Baseball. Total Zone Rating and initial framework for Wins above Replacement calculations provided by Sean Smith.
Definition. ERA+ takes a player's ERA and normalizes it across the entire league. It accounts for external factors like ballparks and opponents. It then adjusts, so a score of 100 is league average, and 150 is 50 percent better than the league average.
Win Expectancy, Run Expectancy, and Leverage Index calculations provided by Tom Tango of InsideTheBook.com, and co-author of The Book: Playing the Percentages in Baseball. Total Zone Rating and initial framework for Wins above Replacement calculations provided by Sean Smith.
23 lis 2011 · What ERA+ and ERA- mean: ERA+ and ERA- are ways of measuring a pitcher's earned runs allowed in ways that are much more neutral than ERA, a statistic which can be...
14 wrz 2012 · ERA- is an extraordinarily useful stat to use when comparing a pitcher's performance to the league average. Basically, ERA- takes a pitcher's ERA and compares it to...
