What does earned run average mean in baseball?

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Definition. 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.

What is a good earned run average?

An ERA between 2.00 and 3.00 is also considered excellent and is only achieved by the best pitchers in the league. An ERA between 3.00 and 4.00 is above-average. An ERA between 4.00 and 5.00 is average; the majority of pitchers have an ERA in this range.

Is a 7.00 ERA good?

In general, an ERA in the range of 4.00 – 5.00 is considered a good career ERA, with the best pitchers being below 2.00.

How are earned runs calculated in baseball?

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 dividing the number of earned runs allowed by the number of innings pitched and multiplying by nine.

How do you determine pitcher’s earned run average?

Test your number. Depending on your preference, you can calculate ERA two ways. The first (shown above) is ERA= total innings(earned runs / innings pitched). You can also formulate it as ERA = earned runs x total number of innings / innings pitched.

What is K MLB?

Definition. A strikeout occurs when a pitcher throws any combination of three swinging or looking strikes to a hitter. … In the scorebook, a strikeout is denoted by the letter K. A third-strike call on which the batter doesn’t swing is denoted with a backward K.

What is the FIP stat in baseball?

FIP stands for Fielding Independent Pitching. It is a statistic meant to measure a pitcher’s effectiveness, taking plays that would involve the defense trying to field the ball out of the equation.

What does BB mean in baseball?

Definition. A walk (or base on balls) occurs when a pitcher throws four pitches out of the strike zone, none of which are swung at by the hitter. After refraining from swinging at four pitches out of the zone, the batter is awarded first base. In the scorebook, a walk is denoted by the letters BB.

Are walks earned runs?

Details. If no errors and no passed balls occur during the inning, all runs scored are automatically earned (assigned responsible to the pitcher(s) who allowed each runner to reach base). … For example, a runner on first base advances to second on a passed ball and the next batter walks.

Who has the lowest ERA ever?

The lowest single-season ERA in league history was posted by Tim Keefe, whose 0.86 ERA in 105 innings pitched for the National League’s Troy Trojans in 1880 led his closest competitor by . 52 runs. In the American League, Dutch Leonard’s 0.96 ERA is a single-season record.

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Is a homerun an earned run?

Earned and Unearned Examples

The leadoff batter comes up and hits a home run, that run is earned. That one is easy, so are the simple unearned runs. There are two outs when a batter hits a ground ball to short. The shortstop boots it and the runner reaches first base.

Does a passed ball count as an earned run?

Passed balls have commonality with wild pitches, as both allow a runner to advance on his own without a stolen base. … A passed ball is not recorded as an error, but when a run scores as the result of a passed ball, it does not count as an earned run against a pitcher.

Does the runner on second count as an earned run?

The runner placed on second base at the start of each half-inning in extras will be the player in the batting order immediately preceding that half-inning’s leadoff hitter, or a pinch-runner. … If the automatic runner comes around to score, an earned run will not be charged to the pitcher.

Is a low ERA good?

A pitcher’s main objective is to prevent the other team’s hitters from earning runs. A lower ERA means that the pitcher has allowed fewer earned runs. Therefore, a low ERA is a better score than a high ERA. In 21st century baseball, an ERA below 4.00 is considered good, and anything below 3.00 is great.

What is a good ERA+?

The average ERA+ is set to be 100; a score above 100 indicates that the pitcher performed better than average, while below 100 indicates worse than average. … Likewise, if pitcher B has an ERA of 4.00 but pitches in a ballpark favoring pitchers, then his ERA+ will be below 100.

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What is the best ERA in baseball?

Ed Walsh holds the MLB earned run average record with a 1.816. Addie Joss (1.887) and Jim Devlin (1.896) are the only other pitchers with a career earned run average under 2.000.