The Mets signed Olivares to a minor-league contract Friday that includes an invitation to spring training, Anthony DiComo of MLB.com reports.
The Pirates outrighted Olivares to Triple-A Indianapolis on Saturday.
The Pirates designated Olivares for assignment Thursday, Noah Hiles of the Pittsburgh Post-Gazette reports.
The Pirates optioned Olivares to Triple-A Indianapolis on Tuesday.
Olivares is out of the lineup for Monday's game against the Mets.
Olivares is not in the starting lineup for Saturday's game against the Mets.
Olivares is out of the lineup for Friday's game against the Mets.
Olivares is not in the lineup for Thursday's game versus the Cardinals.
Olivares is not in the lineup for Tuesday's game versus the Cardinals.
Olivares is out of the lineup for Wednesday's game against the Reds, Andrew Destin of the Pittsburgh Post-Gazette reports.