James Mulry kept the Yarmouth-Dennis Red Sox (0-1) off the board during his seven innings of work and the Harwich Mariners (1-0) beat the Yarmouth-Dennis Red Sox, 7-2.
Mulry struck out nine and allowed one walk and five hits.
Ian Happ had two extra-base hits for the Harwich Mariners. He doubled in the third and fourth innings.
A bright spot for the Yarmouth-Dennis Red Sox in the defeat was Doug Willey, who allowed only zero runs while striking out five.
Bryan Bonnell (0-1) was the game's losing pitcher. He allowed seven runs in 2 1/3 innings, walked two and struck out one.