RIght-hander Christian Bergman is back with the Mariners.
RIght-hander Christian Bergman is back with the Mariners. Tony Gutierrez AP
RIght-hander Christian Bergman is back with the Mariners. Tony Gutierrez AP

Mariners make another bullpen swap for a fresh arm prior to series opener in Baltimore

August 28, 2017 08:06 AM