Alex Martin returned an interception 58 yards for a touchdown late in the first half, then set up the go-ahead touchdown with a 29-yard reception in the third quarter as Portland opened its football season Friday night with a 21-7 win over Oxford Hills at Fitzpatrick Stadium.

In a clash between schools that have won two of the last three Class A state championships, the game was scoreless until the closing seconds of the second quarter, when Martin anticipated a pass toward the sideline, stepped in front of the intended receiver and raced untouched to the end zone.

Oxford Hills tied it midway through the third quarter on a 16-yard burst up the middle by Cam Roy. But Portland responded with a touchdown drive of its own, keyed by a pass over the middle from Cordell Jones to Martin, who was tackled at the 1. Jones plunged in on the next play.

The Bulldogs clinched the victory when Alex McKusick scored on a 10-yard run with 5:32 remaining.