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In baseball statistics
Baseball statistics play an important role in evaluating the progress of a player or team.
Since the flow of a baseball game has natural breaks to it, and normally players act individually rather than performing in clusters, the sport lends itsel ...
, batting average on balls in play (abbreviated BABIP) is a measurement of how often batted ball
In the sports of baseball and softball, a batted ball is a pitch that has been contacted by the batter's bat. Batted balls are either fair or foul, and can be characterized as a fly ball, pop-up, line drive, or ground ball. In baseball, a fou ...
s result in hit
Hit means to strike someone or something.
Hit or HIT may also refer to:
Arts, entertainment and media Fictional entities
* Hit, a fictional character from '' Dragon Ball Super''
* Homicide International Trust, or HIT, a fictional organization ...
s, excluding home run
In baseball, a home run (abbreviated HR) is scored when the ball is hit in such a way that the batter is able to circle the bases and reach home plate safely in one play without any errors being committed by the defensive team. A home run i ...
s. It can be expressed as, "when you hit the ball and it’s not a home run, what’s your batting average
Batting average is a statistic in cricket, baseball, and softball that measures the performance of batters. The development of the baseball statistic was influenced by the cricket statistic.
Cricket
In cricket, a player's batting average is ...
?" The statistic is typically used to evaluate individual batters and individual pitchers.
Calculation
BABIP is computed per the following equation, where H ishits
Hits or H.I.T.S. may refer to:
Arts, entertainment, and media Music
* ''H.I.T.S.'', 1991 album by New Kids on the Block
* ''...Hits'' (Phil Collins album), 1998
* ''Hits'' (compilation series), 1984–2006; 2014 - a British compilation album se ...
, HR is home runs
In baseball, a home run (abbreviated HR) is scored when the ball is hit in such a way that the batter is able to circle the bases and reach home plate safely in one play without any errors being committed by the defensive team. A home run i ...
, AB is at bats
In baseball, an at bat (AB) or time at bat is a batter's turn batting against a pitcher. An at bat is different from a plate appearance. A batter is credited with a plate appearance regardless of what happens during their turn at bat, but a batt ...
, K is strikeouts
In baseball or softball, a strikeout (or strike-out) occurs when a batter accumulates three strikes during a time at bat. It usually means that the batter is out. A strikeout is a statistic recorded for both pitchers and batters, and is deno ...
, and SF is sacrifice flies
In baseball, a sacrifice fly (sometimes abbreviated to sac fly) is defined by Rule 9.08(d):
"Score a sacrifice fly when, before two are out, the batter hits a ball in flight handled by an outfielder or an infielder running in the outfield in fair o ...
.
Effect
As compared tobatting average
Batting average is a statistic in cricket, baseball, and softball that measures the performance of batters. The development of the baseball statistic was influenced by the cricket statistic.
Cricket
In cricket, a player's batting average is ...
, which is simply hits divided by at bats, BABIP excludes home runs and strikeouts from consideration while treating sacrifice flies as hitless at bats.
In Major League Baseball
Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
(MLB), .300 is considered an average BABIP. Various factors can impact BABIP, such as a player's home ballpark; for batters, being speedy enough to reach base on infield hit
An infield hit is an outcome in baseball in which the batted ball stays in the infield, but neither the batter nor any runners are put out. If the batter and runners reach safely due to an error
An error (from the Latin ''error'', meaning "w ...
s; or, for pitchers, the quality of their team's defense.
Usage
BABIP is commonly used as a red flag insabermetric
Sabermetrics, or originally SABRmetrics, is the empirical analysis of baseball, especially baseball statistics that measure in-game activity. Sabermetricians collect and summarize the relevant data from this in-game activity to answer specific ques ...
analysis, as a consistently high or low BABIP is hard to maintain—much more so for pitchers than hitters. Therefore, BABIP can be used to spot outlying seasons by pitchers. As with other statistical measures, those pitchers whose BABIPs are extremely high (bad) can often be expected to improve in the following season, and those pitchers whose BABIPs are extremely low (good) can often be expected to worsen in the following season.
While a pitcher's BABIP may vary from season to season, there are distinct differences between pitchers when looking at career BABIP figures.
See also
* Defense independent pitching statisticsReferences
{{DEFAULTSORT:Batting Average On Balls In Play Batting statistics