The Pirates recalled Palacios from Triple-A Indianapolis on Tuesday.
The Pirates activated Palacios (hamstring) from the 10-day injured list Monday and optioned him to Triple-A Indianapolis, Noah Hiles of the Pittsburgh Post-Gazette reports.
Palacios (hamstring) is headed to Triple-A Indianapolis to begin a rehab assignment, Alex Stumpf of MLB.com reports.
The Pirates placed Palacios on the 10-day injured list Wednesday with a left hamstring strain, Noah Hiles of the Pittsburgh Post-Gazette reports.
Palacios isn't in the Pirates' lineup Tuesday versus the Astros after exiting with a hamstring injury Monday.
Palacios is not in the lineup for Monday's game against the Cardinals.
Palacios is out of the lineup for Friday's game against the White Sox.
Palacios went 1-for-5 with a two-run home run Tuesday against the Brewers.
Palacios went 1-for-4 with a home run and two RBI on Monday against the Mets.
Palacios is out of the lineup for Sunday's game against the Mets.