Donovan Burke (James Madison) dazzled for the Mariners with one run allowed over eight innings, and Harwich eliminated Y-D from the Cape League playoffs at Whitehouse Field.
Carson Ballard (Georgia Tech), Sean Youngerman (Oklahoma State) and Aiven Cabral (Northeastern) threw a combined shutout as Yarmouth-Dennis beat Orleans in the first round of the Cape League playoffs.
The Cape Cod Baseball League playoffs are officially underway with eight out of the 10 teams securing a spot after the conclusion of the regular season on Sunday. Still atop the East Division, the Y-D Red Sox will take on the fourth-place Orleans Firebirds on Tuesday in a one-and-done, single-elimination game.