Blanco will be available out of the bullpen for this weekend's series against the Diamondbacks, Chandler Rome of The Athletic reports.
The Astros are skipping Blanco's next turn in the rotation, Matt Kawahara of the Houston Chronicle reports.
Astros general manager Dana Brown said Sunday that Blanco is the most likely candidate to move to the bullpen when the team shifts to a five-man rotation, Chandler Rome of The Athletic reports.
Blanco (10-6) allowed three hits and four walks while striking out three across five scoreless innings to earn the win Sunday against the Royals.
Blanco came away with a no-decision in Monday's 3-2 extra-inning loss to the Phillies, giving up two runs on seven hits and two walks over 5.2 innings. He struck out five.
Blanco (finger) is scheduled to start Tuesday against the Red Sox, Chandler Rome of The Athletic reports.
Blanco (9-5) took the loss Sunday against the Mariners, allowing four runs on six hits and a walk while striking out five over 5.2 innings.
Blanco allowed two runs on four hits and two walks while striking out four batters over 5.2 innings in a no-decision against Toronto on Wednesday.
Blanco (7-2) got the win Sunday vs the Tigers. He did not allow a run or a hit in seven innings, while walking three and striking out eight.
Blanco will start Sunday's game against the Tigers, Brian McTaggart of MLB.com reports.