Forrester and right-hander Jun-Seok Shim (shoulder) were acquired by the Marlins from the Pirates on Tuesday in exchange for outfielder Bryan De La Cruz, Christina De Nicola of MLB.com reports.
Forrester was selected 73rd overall during the 2023 First-Year Player Draft by the Pirates. He began this season in the rookie-level Florida Complex League but has spent most of his time at the Single-A level, where he has a .273/.413/.382 slash line with one homer in 34 games.