2017 MLB Player Defensive Stats

Defensive Runs Saved (DRS) measures a player's defense in "runs" above or below average using nine major methodologies detailed in DRS Breakdown.

Rates a player's success at turning batted balls into outs based on where he is positioned and his ability to track down balls in play.

Evaluates an outfielder's throwing arm based on how often runners advance on base hits and are thrown out trying to take an extra base.

The run saved total based on over 80 combined "good play" and "misplay" types that don't show up in the box score but affect the outcome of games.

Runs saved by middle infielders based on their conversion rates as both the lead man and pivot man on double play opportunities.

Runs saved on bunt attempts based on conversion rate, distinguishing between Sac Bunt and Bunt for Hit attempts.

Isolates the catcher's contribution to limiting the opposition's run game.

Isolates the pitcher's contribution to limiting the opposition's run game.

Evaluates a catcher's ability to handle a pitching staff, saving runs by getting a better performance out of a given pitcher than would be expected based on his performance with other catchers.

Evaluates a catcher's pitch framing ability using pitch location, catcher target location, batter handedness, and ball/strike count to determine the number of extra strike calls gained or lost.