Chris Carter was originally listed in Wednesday's lineup, but is now a late scratch.
As good as Chad Qualls has been this year for the Astros, he's not immune from having an off night. That off night happened on Tuesday in the Astros' 7-3 loss to the A's.
The Astros lost a 4-1 lead in the ninth, then lost the game too, 7-4, to the A's on Tuesday night. Oakland scored six runs in the ninth on their way to the comeback win.
On Tuesday, George Springer was able to take part in batting practice on the field for the first time since landing on the disabled list with a strained left quad.