Leake (wrist) threw 68 pitches over four innings of a simulated game Thursday, Daniel Kramer of MLB.com reports.

EDGE Analysis

Leake struck out five batters in a highly controlled situation, in which he threw from a behind a screen while still sporting a cast on his left (non-throwing) wrist. He's thrown bullpen sessions, but the Diamondbacks wanted to glean more in an environment with batters.