Astros released 1B Brett Wallace.
Astros sent 1B Brett Wallace outright to Triple-A Oklahoma City.
Astros designated INF Brett Wallace for assignment.
Astros general manager Jeff Luhnow said Tuesday that the club's first base job will be a "good healthy competition" in spring training.
Brett Wallace roped a two-run double in the seventh inning on Friday, accounting for all of the Astros offense in a loss to the Yankees.
Brett Wallace struck out all four times he was up as the Astros' DH on Thursday.
Brett Wallace went 3-for-5 with a homer and three RBI in a losing cause versus the Angels on Saturday.
Brett Wallace hit his seventh homer Thursday off former teammate Bud Norris.
Brett Wallace went 1-for-4 with his fourth home run of the season in a loss to the Rays on Saturday.
Brett Wallace went 4-for-5 in the Astros' loss to the Cardinals on Wednesday in St. Louis.
Brett Wallace singled and belted a pair of homers in Thursday's loss to the Rays.
Brett Wallace hit his first home run of the season Saturday in the Astros' loss to the Angels.
Brett Wallace hit a two-run triple Tuesday in his return to the Astros' starting lineup.
Astros recalled 1B Brett Wallace from Triple-A Oklahoma City.