Nick Howard held the Hyannis Harbor Hawks (22-15) scoreless for six innings to boost the Harwich Mariners (19-17) to a 5-4 victory.
Howard allowed two hits, one walk and struck out seven.
A walk-off single by Mitch Morales gave the Harwich Mariners the win.
The Harwich Mariners were led by Morales' hitting. Morales went 0-3. He singled in the ninth and tenth innings.
Blair DeBord was hot from the plate for the Harwich Mariners. DeBord went 4-5, drove in one and scored one run. He singled in the second, seventh, ninth, and tenth innings.
Jake Drossner got the win, running his season record to 1-1. Drossner struck out two, walked none and gave up no hits.
Bryant Holtmann couldn't get it done on the rubber for the Hyannis Harbor Hawks, taking a loss. He lasted just 1 2/3 innings, walked none, struck out one, and allowed one run.