Carlos Gomez (ribs) will not do any baseball activities on Sunday.
Astros manager A.J. Hinch said he plans to "ease the burden of the 8th inning" off Ken Giles.
Tyler White's slump continued Saturday, finishing 0-for-3 in a loss to the Athletics.
Chris Devenski allowed two runs over five innings in a loss to the A's on Saturday.
Carlos Gomez is dealing with soreness in his left rib cage and is expected to miss a few games.
Carlos Gomez is not in the Astros starting lineup on Saturday.
Mike Fiers pitched seven innings of two-run ball Friday against the Athletics.
Evan Gattis went 2-for-4 and popped his first homer of the year Friday against the A's.
Carlos Gomez (wrist) expects to return to the Astros' starting lineup on Friday.
Jose Altuve homered, doubled twice and scored three times Wednesday as the Astros topped the Mariners 7-4.
X-rays turned up negative on Carlos Gomez's right wrist.
Carlos Gomez exited Wednesday's game against the Mariners after being hit by a pitch on the right wrist.
Jose Altuve went 0-for-2 with a pair of walks in Tuesday's loss to the Mariners.
Dallas Keuchel failed to rev in Tuesday's loss to the Mariners, surrendering five runs on six hits over six innings.
Lance McCullers (shoulder) will pitch in an extended spring training game on Wednesday.