Olmos has agreed to pitch with Chiba Lotte Marines in Japan for the 2018 season, the team's official site reports.
Olmos was reassigned to minor-league camp Wednesday, Tim Britton of the Providence Journal reports.
Olmos (hamstring) allowed one run (none earned) on two hits in Sunday's game against the Twins.
Olmos (hamstring) was specifically mentioned by Red Sox manager John Farell as a candidate for the second lefty spot in the bullpen, Brian MacPherson of the Providence Journal reports.
Olmos is dealing with a hamstring strain and will be re-evaluated Tuesday, Michael Silverman of MLB.com reports.
Olmos signed a minor league contract with the Red Sox on Tuesday that includes an invitation to spring training, Tim Britton of the Providence Journal reports.
Olmos was not among Baltimore's roster cuts Friday and it appears he has made the Opening Day roster.
Olmos was traded to the Orioles on Thursday for a player to be named later, Eduardo Encina of the Baltimore Sun reports.
Olmos was reassigned to minor league camp Friday.
Olmos cleared waivers Tuesday and will head to spring training as a non-roster invitee, Carrie Muskat of MLB.com reports.