The Giants made a roster move on Tuesday afternoon.San Francisco recalled left-handed reliever Josh Osich and optioned right-handed reliever Chris Stratton.Stratton appeared in two games so far this season.He tossed three shutout innings in Colorado on April 22, but allowed five earned runsagainst the Padres last Saturday.Osich appeared in 59 games last season and is looking to make his 2017 big-league debut.