Astros optioned 1B Brett Wallace to Triple-A Oklahoma City.
Brett Wallace went 0-for-4 with three strikeouts in Friday's loss to the Athletics.
Brett Wallace is starting at third base Tuesday against the Rangers.
Brett Wallace hit a two-run homer off Jacob Turner in the Astros' 4-1 win over the Marlins on Sunday.
Brett Wallace (neck) said Friday that he's ready to return to action.
Brett Wallace is day-to-day with a pinched nerve in his left trapezius muscle.
Brett Wallace left Thursday's game with a possible neck injury.
Brett Wallace doubled in three runs and walked Sunday against the Pirates.
Brett Wallace went 3-for-4 with a homer Tuesday as an Astros split-squad topped the Tigers 9-4.
Astros manager Bo Porter said Wednesday that Brett Wallace is set to primarily play first base.
Brett Wallace went 3-for-4 and hit a three-run homer to lead the Astros to a 5-1 win over the Pirates on Monday.
Brett Wallace went 2-for-4 with a double and RBI in Wednesday's loss to the Giants.
Brett Wallace had a nice night offensively, going 3-for-4 with a double in Tuesday's loss to the Giants.
Astros manager Brad Mills said Tuesday that he wants to give Brett Wallace a long look at third base.