Earned run average - Wikipedia
In baseball statistics, earned run average (ERA) is the average of earned runs allowed by a pitcher per nine innings pitched (i.e. the traditional length of a game). It is determined by …
Earned Run Average (ERA) | Glossary - MLB.com
Earned run average represents the number of earned runs a pitcher allows per nine innings -- with earned runs being any runs that scored without the aid of an error or a passed ball. ERA is the …
防禦率 - 维基百科，自由的百科全书
防禦率 （英語： ERA, earned run average），又稱 自責分率，是 棒球術語，指 投手 平均每場球所失的 自責分，分值越低则代表投手表现越好。 投手因為被打 安打 或 四壞 而讓人上壘（因 …
How to Calculate ERA (Earned Run Average) - wikiHow
Dec 24, 2024 · ERA (Earned Run Average) is the average number of earned runs a pitcher has allowed per every 9 innings he pitches. This is one of the most useful calculations in baseball, …
- Views: 185.4K
ERA Calculator - Calculate Earned Run Average - MiniWebtool
In baseball statistics, Earned Run Average, or ERA, is one of the most well-known pitching statistics and represents the average number of earned runs a pitcher will give up per nine …
What Is ERA In Baseball? - Baseball Bible
May 24, 2023 · ERA is a baseball acronym that stands for Earned Run Average. It is a metric that measures the number of earned runs a pitcher allows per nine innings pitched. ERA works by …
投手防御率 - 百度百科
投手防御率又称自责分率，指投手平均每场球所失的自责分。 投手因为被打安打或四坏球而让人上垒（因为野手失误而上垒的不算），然后又 因任 何原因让这上垒的人回来得分（就算换投手 …
Earned Run (ER) | Glossary - MLB.com
Earned runs is the key counting statistic used in ERA, the most widely accepted barometer of a pitcher's success. If there are no errors or passed balls in a given inning or game, all the runs …
Earned Run Average (ERA): Everything You Need to Know
May 22, 2023 · Earned Run Average, or ERA, lies at the heart of evaluating a pitcher's effectiveness in a baseball game. Developed by English-American sportswriter and statistician …
What is an ERA in Baseball? (Earned Runs Average) - The Baseball …
Feb 29, 2024 · In baseball, the Earned Runs Average (ERA) is a statistic that measures a pitcher’s performance by calculating the average number of earned runs they allow per nine …