According to a number of different statistical metrics, Jason Heyward has been the top defensive player in baseball so far this season.

Ultimate Zone Rating (UZR) quantifies the number of runs a fielder is above or below average, according to Fan Graphs.

According to UZR entering Tuesday, Heyward is far ahead of anyone else in the game at 13.0, with Alex Gordon (9.2), Mike Trout (7.7), Josh Donaldson (7.3) and Giancarlo Stanton (6.8) rounding out the top five.