Bielak was optioned to Triple-A Sugar Land on Sunday, Chandler Rome of the Houston Chronicle reports.

EDGE Analysis

Bielak was recalled by the Astros in early June and was effective while serving as a multi-inning option. He posted a 1.29 ERA and 1.00 WHIP in seven innings over three relief appearances but will head back to the minors since the team will call up Enoli Paredes.