Greinke is scheduled to start Tuesday at home against the Rockies, Chandler Rome of the Houston Chronicle reports.
Greinke will make his first start for the Astros on Tuesday after being acquired from the Diamondbacks in a last-minute blockbuster deal Wednesday. The veteran right-hander owns a solid 2.90 ERA, 0.95 WHIP and 135:21 K:BB in 146 innings this season.