Matt Dominguez is out of the Astros' lineup on Wednesday night because of left quad tightness.
Wily Peralta lasted just 1 2/3 innings and gave up six runs -- four earned -- Wednesday in a loss to the Dodgers.
Scott Van Slyke doubled twice and knocked in two runs while starting in place of the benched Andre Ethier on Wednesday.
Making his first appearance in 15 days, Ramon Hernandez went 2-for-3 with a homer and two walks on Wednesday.
Nick Swisher is scheduled to return on Friday.
Zack Cozart went 4-for-5 with two doubles in the Reds' 7-4 win over the Mets on Wednesday.
Nolan Reimold (hamstring) is not expected to be ready for activation from the disabled list when first eligible.
Matt Harvey surrendered four runs and nine hits in 6 1/3 innings Wednesday in a no-decision against the Reds.