Alvarez is out of the lineup for Thursday's game against the Astros, Roch Kubatko of MASNsports.com reports.
Mark Trumbo will get the start at DH and Hyun-soo Kim will man left field, bumping Alvarez to the bench in this one. The 29-year-old is hitting just .194 with three home runs and 11 RBI on the season.