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Ultimate zone rating (UZR) is a sabermetric statistic used to measure fielding. It compares the event that actually happened (hit/out/error) to data on similarly hit balls in the past to determine how much better or worse the fielder did than the "average" player.
Range Factor (commonly abbreviated RF) is a baseball statistic developed by Bill James. It is calculated by dividing putouts and assists by the number of innings or games played at a given defense position . [ 1 ]
Batting Park Factor, also simply called Park Factor or BPF, is a baseball statistic that indicates the difference between runs scored in a team's home and road games. Most commonly used as a metric in the sabermetric community, it has found more general usage in recent years.
While most sports have regulation-sized fields, some sports/leagues such as Major League Baseball (MLB) and NCAA Hockey, allow for varying field of play dimensions. The most common example of a park effect is a baseball stadium's batting park factor, but there exists other factors that impact all sports. Every stadium throughout the world has ...
Baseball statistics include a variety of metrics used to evaluate player and team performance in the sport of baseball. Because the flow of a baseball game has natural breaks to it, and player activity is characteristically distinguishable individually, the sport lends itself to easy record-keeping and compiling statistics .
OOZ reflects the number of plays a fielder makes on balls that were hit outside his "zone". [6] [7] A player's "zone", for purposes of the definition, is considered those parts of the field in which on average a fielder is able to convert half of his chances into outs. [7]
In baseball statistics, defensive runs saved (DRS) measures the number of runs a player saved or cost his team on defense relative to an average player. [ 1 ] [ 2 ] Any positive number is above average, and the best fielders typically have a DRS figure of 15 to 20 for a season. [ 3 ]
Win Shares is a 2002 book about baseball written by Bill James and Jim Henzler. The book explains how to apply the concept of sabermetrics to assess the impact of player performance in a combination of several areas, including offensive, defensive, and pitching on their team's overall performance.