David Ross caught five innings and was 1 for 3 with an RBI double for Double A Portland Thursday in an 8-4 victory against New Hampshire at Hadlock Field.
Ross doubled his first time up. He then struck out twice.
Ross was making an injury rehab appearance for the Sea Dogs. He has been on the concussion disabled list since May 12.
Red Sox manager John Farrell said Wednesday that the plan was to have Ross play one rehab game before being activated.
Lefthander Franklin Morales went five innings for Portland. He allowed one unearned run on six hits with two walks and three strikeouts. He threw 77 pitches, 52 for strikes.
Morales has been on the disabled list all season, technically because of a back injury he suffered in spring training. He made a rehab start April 17 and strained a pectoral muscle. That led to his 30-day rehab assignment being stopped.
Morales started another minor league assignment May 8. He has made four starts in that assignment, working up to five innings. The Red Sox wanted to prepare Morales as a starter to improve their rotation depth.
At this point, the Red Sox could activate Morales and use him in the bullpen. Or they could continue to use him in the minors for up to another 16 days.