The old kind of baseball statistics can be kind of misleading. For example, if you focus only on a player's batting average (number of hits divided by number of at-bats), you're ignoring other important factors such as walks or defensive performance. Traditional statistics don't take into account phases in baseball history that may have been favorable to pitchers or to batters due to the type of baseball or bat design in use. Traditional statistics don't differentiate between types of outs or characteristics of particular ballparks. Sabermetrics is a form of statistical analysis used to analyze all the above factors and more, in order to make credible predictions about player performance.
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