Red Sox shortstop Stephen Drew went 0-for-3 and played five innings in the field in his first game of a rehab assignment with Double-A Portland.
Drew, who is recovering from concussion symptoms, has been targeted to join the big league club for Monday's Fenway Park opener.
Portland lost its season opener to the Trenton Thunder, 13-5.
Daniel Bard pitched one inning for the Sea Dogs, walking the first batter he faced and giving up a two-run home run to Neil Medchill two batters later.
Left-hander Drake Britton started for Portland and lasted just three innings, yielding seven runs (three earned) on five hits, three of them home runs. He walked two and struck out five.