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Single-Season Leaders & Records for Defensive WAR


+ - Indicates Hall of Famer. Bold indicates active player.

Statistic Description: Defensive Wins Above Replacement for position players A defensive measure of wins above replacement, but given only the defensive stats of the player and his position adjustment. For this calculation, we use a replacement level on defense is the league average. Based on Baseball Info Solutions defensive runs saved from 2003 on and total zone rating developed by Sean Smith of BaseballProjection.com previously

Only players who finished in the top 40 for the majors in a season will appear on this list.
Leaders from the current season are only included for rate stats after July 1st.

This statistic is computed from play-by-play data which is only complete from 1974 to the present. From 1938-1973, the data is incomplete, though for most seasons only less than 20 games per season total are missing. Please see our page on data coverage for a full view of the data used to create these lists.


Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.