Sabermetric Glossary: Defense Efficiency

Defense Efficiency is a statistic that attempts to measure team defense. This statistic is similar to BABIP except from the defensive perspective. It is still referenced today due to its simplicity. Defense Efficiency does not have the drawbacks of a statistic such as UZR or Total Zone. The formula for Defense Efficiency is as follows:

1 – ( H – HR ) / ( AB – SO – HR + SH + SF )

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