Brantley is not in the lineup for Friday's game against Seattle, Chandler Rome of the Houston Chronicle reports.
The return of Yordan Alvarez (undisclosed) will have an effect on Brantley's playing time, as he'd been the Astros' primary designated hitter, filling the role in 10 of the season's first 18 games. He'll likely still see playing time in left field, though he'll have to compete with Kyle Tucker, who starts there Friday.