Gabriel Pec, Joseph Paintsil, Riqui Puig help Galaxy finish off sweep of Rapids with 4-1 victory

COMMERCE CITY, Colo. (AP) — Rookies Gabriel Pec and Joseph Paintsil scored first-half goals, Riqui Puig scored twice during second-half stoppage time, and the Los Angeles Galaxy polished off a first-round sweep of the Colorado Rapids with a 4-1 victory…