Atiba Harris, Michael Barrios and David Texeira scored and FC Dallas routed the Columbus Crew 3-0 on Sunday night to move into third place in the Western Conference.
FC Dallas (13-8-5, 44 points) is two points behind Los Angeles in the Western Conference and one behind second-place Vancouver with eight games to play.
Harris opened the scoring for FC Dallas by finishing a header combination with Texeira in the 27th minute.
Barrios doubled the lead in the 69th minute with an end-to-end counterattack, and Texeira added his own 2 minutes later on a putback from outside the 18-yard box.
Columbus (11-9-8, 41 points) lost for the first time in five games and suffered its first home shutout of the season while playing without MLS goals leader Kei Kamara (18 goals) because of international service.