The Pirates on Friday designated George Kontos for assignment to make room for Joe Musgrove
Kontos started the season as the Pirates’ set-up man but struggled in that role. He posted a 5.03 ERA in 21 games.
Musgrove will make his Pirates debut in Friday’s game against the St. Louis Cardinals. He started the season on the disabled list with a strained shoulder.
This story will be updated.
Elizabeth Bloom: ebloom@post-gazette.com, 412-263-1750 and Twitter @BloomPG.