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In baseball, fielding independent pitching (FIP) (also referred to as defense independent pitching (DIP)) is intended to measure a pitcher's effectiveness based only on statistics that do not involve fielders (except the catcher).
In baseball statistics, fielding independent pitching (FIP) is the measure of a pitcher's effectiveness based only on statistics that do not involve fielders (except the catcher). These include home runs allowed, strikeouts , hit batters , walks , and, more recently, fly ball percentage, ground ball percentage, and (to a much lesser extent ...
Unlike standard FIP, these values treat infield fly balls as strikeouts, are scaled with respect to RA9 instead of ERA, and are park adjusted. As of 2019, catcher framing is also considered for seasons with framing data. [22] The difference between league and player FIP gives the pitcher's runs above average per 9 innings (RAAP9).
James has noted that there are cases in which his original version of game score does not accurately reflect a pitcher's performance. [3]In a September 2003 article in Baseball Prospectus, Dayn Perry created an updated formula based on the ideas behind defense-independent pitching statistics, named Game Score 2.0.
Defense-Independent Component ERA (DICE) is a 21st-century variation on Component ERA, one of an increasing number of baseball sabermetrics that fall under the umbrella of defense independent pitching statistics. DICE was created by Clay Dreslough in 2001. [1] The formula for Defense-Independent Component ERA (DICE) is:
The formula uses a player's standard deviations from the mean (a weighted z-score [9]) of the DIPS statistic xFIP (expected Fielding Independent Pitching), swinging strike percentage, overall strike percentage, and the differential between the pitcher's ERA and xFIP to determine a quantitative value for each pitcher.
Ted Williams is the all-time Major League Baseball leader in on-base percentage. In baseball statistics, on-base percentage (OBP) measures how frequently a batter reaches base. An official Major League Baseball (MLB) statistic since 1984, it is sometimes referred to as on-base average (OBA), [a] as it is rarely presented as a true percentage.
Similar to FIP, tRA uses a mathematical formula to isolate the pitcher from his defense. Thus, tRA is a defense-independent pitching statistic. Unlike FIP and dERA, however, tRA takes into account batted ball type (that is, line drives, fly balls, pop ups, and ground balls) as well as strikeouts, walks, and home runs.