Pirates bring up Boscan from Triple-A Indianapolis
Pittsburgh used seven relievers in Friday's 11-10 loss to Chicago. Boscan, 25, went 2-1 with a 2.87 ERA in six starts with Indianapolis. His previous appearance was last Sunday.
Boscan has never pitched in the majors.
Lombardozzi made six appearances with Pittsburgh, going 0 for 4 with a walk and a run scored.