Doug Fister failed to make it out of the fifth inning Sunday in the Astros' loss to the Rays.
Colby Rasmus (ear) might not need a rehab assignment before rejoining the Astros.
Lance McCullers (elbow) resumed a throwing program on Friday.
Evan Gattis is not in the Astros' lineup Sunday.
Dallas Keuchel gave up two runs in seven innings of work as the Astros beat the Rays 6-2 on Saturday.
Alex Bregman continued his hot streak, going 2-for-4 with a home run and three RBI in a win over the Rays on Saturday.
Evan Gattis slugged a walk-off solo homer in Friday’s 5-4 victory over the Rays.
Mike Fiers allowed three runs in 6 1/3 innings in a no-decision against the Rays on Friday.
Carlos Correa connected for a game-tying solo homer Friday against the Rays.
Yulieski Gurriel (hamstring) is back in the Astros' lineup Friday.
Luis Valbuena underwent successful surgery Thursday to repair his right hamstring tendon.
Yulieski Gurriel (hamstring) lined out as a pinch-hitter on Wednesday against the Pirates.
Ken Giles tallied his fifth save Wednesday in the Astros' victory over the Pirates.
Alex Bregman hit another double Wednesday in the Astros' 5-4 defeat of the Pirates.
Collin McHugh allowed three earned runs in five innings but earned a win Wednesday versus the Pirates.