Sabermetrics uses statistical analysis that delves into the analysis of baseball records. It helps to make decisions about the performance of the players. The practice began in 1977 when Bill James began self-publishing papers on a new discipline he called sabermetrics.

Sabermetry was most recently popularized by the movie Moneyball, which showed Billy Beane, the general manager of Oakland A, used sabermetry in 2002.

Personally, I rely on the feel of the game to make judgments about individual players, but here’s a quick look at some of the sabermetric formulas:

Adjusted ERA (ERA +) – Stadium-adjusted average wins won and league average.

Batting Average of Balls in Play (BABIP): The frequency with which a batter reaches a base after putting the ball in play. For pitchers it is usually a measure of luck. Therefore, pitchers with high or low BABIPs are a good bet to see how their performances measure up to the average.

Base Runs (BsR): Estimate the number of runs a team “should” have scored given its component offensive statistics.

Component ERA (CERA): An estimate of a pitcher’s ERA based on the individual components of his statistical line, another statistic that attempts to take luck out of the equation.

Defensive Efficiency (Def Eff): The speed at which balls put into play are turned into outs by a team’s defense. This can be approximated with (1 – BABIP).

Defense Independent ERA (DERA): This is a measure of what a pitcher’s ERA would have been if it weren’t for the effects of defense and luck. It uses batting batters, home runs allowed, walks allowed, intentional walks allowed, strikeouts, and batting hitters in a complex mathematical formula.

Defense Independent Component ERA (DICE): Formula that measures pitchers performance using homers allowed, walks, hit-per-pitch, strikeouts, and innings pitched.

Defense Independent Pitching Statistics (DIPS) – A series of statistics that measure a pitcher’s effectiveness based solely on plays that do not involve fielders: home runs allowed, strikeouts, hitters, walks, and most recently, high percentage, rolling percentage. and line impulse percentage.

Equivalent Average (EqA) – A statistic used to measure batters regardless of the effects of stadium and league. EqA takes into account hits, total bases, walks, hit-per-pitch, stolen bases, sacrifice hits, sacrifice flies, at-bats, and caught stealing. It is then normalized for the difficulty of the league.

Extrapolated Runs (XR) – Similar to Created Runs, except that it assigns a run value to each event, rather than a multiplicative formula.

Fielding Runs Above Replacement: The difference between an average player and a replacement player, determined by the number of plays that position must make.

Legacy Runs (IR) – The number of runners inherited by a relief pitcher who scored while the reliever was in the game.

Isolated Power (ISO) – A measure of a hitter’s raw power – extra bases per turn at bat.

Last Inning Pressure Situation (LIPS): Any at-bat in the seventh inning or later, with the batter’s team losing by three runs or less (or four runs if the bases were loaded).

On-base plus slugging (OPS): measures a batter’s ability to reach base and hit for power. It’s simply the base percentage plus the slugging percentage.

Peripheral ERA (PERA) – A pitching statistic that calculates expected effectiveness, taking into account park-adjusted hits, walks, strikeouts, and home runs allowed.

Player Empirical Comparison and Optimization Test Algorithm (PECOTA): Named after baseball player Bill Pecota. It is a very complex formula that predicts a player’s performance in all major categories used in common fantasy baseball games and in producing forecasts in advanced sabermetric categories.

Pythagorean Expectation – A formula that resembles Pythagoras’ mathematical theorem and is used to estimate how many games a baseball team should have won, based on how many runs a team scored and allowed. Comparing the two percentages can determine how lucky a team was.

Quality Start (QS) – A game in which a pitcher completes six innings, allowing no more than three runs.

Range Factor (RF) – Used to determine how much field a player can cover. That’s nine putouts plus assists divided by innings played.

Races Created – Measures how many races a player creates. The formula for runs created is hits plus walks multiplied by total bases, divided by at-bats plus walks.

Total Player Rating (TPR): Measures the value of players that allows you to compare players for different positions, teams, and eras.

Value Over Replacement Player (VORP): For hitters, this is the number of runs contributed beyond what a replacement-level player would contribute at the same position.

Earning Actions – Using a complex set of mathematics, it takes player statistics into account in the context of their team and assigns them a number that equals one-third of a team’s winnings.

Wins Above Replacement Player (WARP) – A stat that combines winning actions and VORP. Represents the number of wins this player contributed, over and above what a replacement-level hitter, fielder, and / or pitcher would have made.

Walks and hits per inning pitched (WHIP): The average number of walks and hits allowed by the pitcher per inning.

Study these sabermetrics formulas and maybe you can become the next Billy Beane.