The Astros recalled King from Triple-A Sugar Land on Friday, Chandler Rome of The Athletic reports.
King was a weapon out of the Astros' bullpen the previous two seasons, but he's been up and down between the majors and minors a couple times this year, logging a a 4.75 ERA, 1.43 WHIP and 44:19 K:BB across 53 innings for the big club. The southpaw has held the opposition scoreless in his last four outings with Sugar Land.