The Middlesex Expos jumped out to 5-1 second inning lead and went on to beat the Andre Chiefs 6-4 on Friday night at Maplewood. Kebler Peralta and Leon Paulino each had two hits, including a double, and a couple of RBI’s each. Dan Shaw (2-2) went the distance to get the win. Shaw allowed nine hits and struck out 10. With the win, the Expos stay alive for a playoff spot. It was the fifth straight loss for the Chiefs……The Malden Maddogs at Palmer Club game, scheduled for Fallon Field in Roslindale, was postponed,,,,,