Major League Soccer: Nicolas Lodeiro (41') FC Dallas 0-1 Seattle Sounders
Major League Soccer: Landon Donovan (24') Houston Dynamo 0-0 LA Galaxy
A tense Eastern Conference match saw both teams end with 10 men, but with Chicago claiming all three points.
Major League Soccer: Fanendo Adi (39') Portland Timbers 1-0 Colorado Rapids
Video via MLS: NYRB 3-2 Columbus Crew
Philadelphia wasn't able to get the job done at home, putting their playoff hopes in a tense spot after losing to Orlando.