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ERA+ is calculated as: + = Where ERA is the pitcher's ERA, lgERA is the average ERA of the league, and PF is the park factor of the pitcher in question.. This formula is now standard, [1] although Baseball-Reference.com briefly used a different formula which took values strictly between 0 and 200 instead of between 0 and infinity, but the current website shows values above 200 so it is clearly ...
The single-season record for the lowest ERA is held by Dutch Leonard, who in 1914 had an earned run average of 0.96, pitching 224.2 innings with a win–loss record of 19–5. [2] The all-time record for the lowest single season earned run average by a pitcher pitching 300 or more innings is 1.12, set by Bob Gibson in 1968.
Both total runs and earned runs are tabulated as part of a pitcher's statistics, but earned runs are specially denoted because of their use in calculating a pitcher's earned run average (ERA), the number of earned runs allowed by the pitcher per nine innings pitched (i.e., averaged over a regulation game). Thus, in effect, the pitcher is held ...
Catcher's ERA (CERA) in baseball statistics is the earned run average of the pitchers pitching when the catcher in question is catching. Its primary purpose is to measure a catcher's game-calling, rather than his effect on the opposing team's running game. [ 1 ]
Component ERA or ERC is a baseball statistic invented by Bill James. [citation needed] It attempts to forecast a pitcher's earned run average (ERA) from the number of hits and walks allowed rather than the standard formula of average number of earned runs per nine innings. ERC allows one to take a fresh look at a pitcher's performance and gauge ...
By FindTheBest After several star pitchers have been injured while hitting early on this season, baseball fans have been debating whether MLB should extend the designated hitter rule to the ...
That equation gives a number that is better at predicting a pitcher's ERA in the following year than the pitcher's actual ERA in the current year. Component ERA was created by Bill James to create a more accurate way of evaluating pitchers than earned run average (ERA). Whereas ERA is significantly affected by luck (such as whether the ...
One side effect of the pitch timer will be the game within the game that is pickoff strategy.