Romo is absent from the lineup for Thursday's contest in Houston.
Smith is absent from the lineup for Thursday's game versus the White Sox.
Martin allowed five hits and a walk while striking out three over 5.2 scoreless innings in a no-decision versus the Astros on Wednesday.
Peters went 2-for-3 with a triple and a stolen base in Wednesday's 2-0 loss to the Astros.
Hader struck out one in a perfect inning to earn the save in Wednesday's 2-0 win over the White Sox.
Wesneski allowed one hit, two walks and one hit batsman while striking out five over seven scoreless innings in a no-decision versus the White Sox on Wednesday.
Varsho went 1-for-3 with a walk and a stolen base in Wednesday's 2-0 win over the White Sox.
Berroa (elbow) is scheduled to begin throwing off a mound next week, Scott Merkin of MLB.com reports.
Bush (elbow) has been shut down for the 2026 season due to a strained left lat, Scott Merkin of MLB.com reports.
Diaz is not in the Astros' starting lineup against the White Sox on Wednesday.
