Brett Oberholtzer picked up his third win after allowing three runs in 6 2/3 innings Monday against the A's.
Chris Carter hit a three-run homer off Jesse Chavez on Monday, giving him 21 homers this year.
Jon Singleton has been working with hitting coach John Mallee on shortening his swing.
Astros general manager Jeff Luhnow told FOX Sports' Ken Rosenthal Monday that he's willing to trade one of the team's starters if he can "get back a big-league piece, preferably a bat."
Jose Altuve went 3-for-4 with a home run and a stolen base in a loss to the Marlins on Sunday.
Jon Singleton hit his seventh home run of the season in Sunday's loss to the Marlins.
Collin McHugh struck out nine but allowed four runs over 6 1/3 innings in a loss to the Marlins on Sunday.
Josh Zeid (foot) will undergo an MRI on Monday.
Astros prospect outfielder Delino DeShields went 1-for-3 with a home run and walk for Double-A Corpus Christi on Saturday.
Astros recalled RHP Paul Clemens from Triple-A Oklahoma City.
Astros prospect right-handed pitcher Mark Appel was promoted to Double-A Corpus Christi.
Astros activated RHP Collin McHugh from the 15-day disabled list.
Astros placed RHP Josh Zeid on the disabled list Saturday due to a left foot injury.
Astros optioned RHP Brad Peacock to Triple-A Oklahoma City.
Jarred Cosart gave up five earned runs in 5 2/3 innings Saturday in the Astros' loss to the Marlins.