Matt Karis threw six shutout innings and Jeff Costello had four RBI’s when the Blue Sox shutout the Arlington Trojans 11-0 in Lexington.
At Maplewood, Matt Horan raised his record to 4-0 when the Watertown Reds blanked the Andre Chiefs 10-0. Dan Chaisson had two doubles, and Justin Forman and Mike Samko had two hits each, for the Reds.
In Wakefield, Bobby Losano, Mark Webber, and Mike Sorrentino had three hits each when the Merchants beat the Reading Bulldogs 7-4. Steve Xirinachs (2-1) picked up the win.
Wagner Gomez and Luke Ronchi both hit homers and Jake Cintolo added three hits in the Somerville Royals 9-3 win over the Melrose Americans. Soren Hanson (1-0) recorded the win.