Colby Rasmus is not in the Astros' lineup Monday.
Astros prospect Domingo Santana blasted a pair of homers Sunday in a win for Triple-A Fresno.
Evan Gattis homered twice and drove in four runs in Sunday's 7-6 win over the Mariners.
Luke Gregerson earned his sixth save on Sunday, walking one and striking out one Mariner in a scoreless ninth.
Roberto Hernandez surrendered five runs (four earned) over six innings in Sunday's contest with the Mariners.
Luis Valbuena is not in the Astros' lineup Sunday.
Samuel Deduno will start on Wednesday against the Rangers.
Jose Altuve hit a three-run homer off of Taijuan Walker in Saturday's win over the Mariners.
Collin McHugh improved to 4-0 on the season Saturday, holding the Mariners to four runs over seven innings.
Jake Marisnick connected for a solo homer, drew a walk, and stole a base in Friday's 4-3 win over the Mariners.
Luke Gregerson allowed two home runs in the ninth inning Friday against the Mariners, but managed to hold on for his fifth save of the season.
Making a spot-start, Samuel Deduno held the Mariners to one run over four innings on Friday.
Jose Altuve went 2-for-3 with a run scored Friday against the Mariners.
Astros third base prospect Colin Moran suffered a non-displaced fracture of his jaw on Thursday.
Astros prospect OF Derek Fisher went 1-for-3 with his fifth home run of the season on Thursday for High-A Quad Cities.