McCullers will start Game 1 of the ALDS against the White Sox on Thursday, Brian McTaggart of MLB.com reports.
McCullers was edged out for the ERA lead among the Astros' regular rotation members this season, as Framber Valdez beat him by a very narrow margin of 3.14 to 3.16. McCullers will get the ball in Game 1, with Valdez starting Game 2.