Jackson had a goal and two assists to help FC Dallas get a season high in scoring in a 5-0 victory over the Portland Timbers on Saturday night.
Andrew Jacobson, Scott Sealy, Ruben Luna also scored for Dallas (5-10-7), which played without top offensive player Brek Shea -- left off the roster for disciplinary reasons. David Ferreira also had two assists and Dallas benefited from an own goal by Portland's Hanyer Mosquera.
Dallas, which won for the second time in three games since a 13-game winless streak (07-6), hadn't scored more than twice in a game all season.
The Timbers (5-11-4) lost their fourth straight, and third since general manager Gavin Wilkinson took over coaching duties from John Spencer on July 9. Portland remained winless in 10 road games (0-8-2) while being outscored 20-2.
Copyright 2012 The Associated Press. All rights reserved.