FALMOUTH — Jonah Spiegel scored on a breakaway 3:27 into overtime to give No. 4 Falmouth a 1-0 victory over No. 5 Portland in a Class A South boys’ soccer quarterfinal Wednesday night. Amid soaking rain and heavy winds, Spiegel burst through Portland’s back line after taking a feed from Schuyler Parkinson to end the game. Falmouth (11-3-1) advances to the semifinal round Saturday at No.