NEW YORK -- Astros manager Bo Porter announced Wednesday that right-hander Jordan Lyles, who began the season at Triple-A Oklahoma City, will start Thursday's series opener against the Tigers at Minute Maid Park. MLB.com reported late Tuesday that Lyles would be called up.
Lyles is taking the rotation spot that came open when right-hander Brad Peacock was moved to the bullpen. The Astros will announce a corresponding roster move Thursday.
Lyles, 22, was set to begin the season in the Astros' starting rotation, but he was sent to Triple-A following a poor spring. He went 2-2 with a 5.32 ERA in six games (five starts) for the RedHawks, throwing a strong game Saturday in which he allowed three hits and one run in five innings.
"This is a guy that we expected to be a part of the rotation," Porter said. "He didn't fair too well this spring, but sometimes guys taking a step back allows him to take three steps forward, and we hope that's the case with Jordan."
Porter said RedHawks manager Tony DeFrancesco had good things to say about Lyles.
"We received outstanding reports, and Tony has raved about his preparation, his demeanor and wanting to get back to the big leagues, and he's done everything we've asked him to do, and we look forward to getting him back here," Porter said.
Porter said Lyles had done a better job attacking hitters and pitching ahead in the count with improved breaking stuff. Lyles made 25 starts for the Astros last year and went 5-12 with a 5.09 ERA.
"This guy has all the skill sets to be a front-of-the-rotation starter in this league," he said. "We're hoping that is the case and the step he took back this spring added motivation to never take it for granted, to give everything he has to not only be in the big leagues, but be an elite pitcher in the big leagues."
The Astros will also add left-hander Dallas Keuchel from Oklahoma City on Thursday.