Marco Di Vaio scored in the 14th minute and the Montreal Impact beat the New York Red Bulls, 1-0, in Montreal on Saturday to improve to 4-0.
New York (0-2-2) finished the match short a man after defender Brandon Barklage was sent off for taking down Patrice Bernier at the edge of the penalty area in the 74th minute.
At Dynamo 2, Whitecaps 1: Warren Creavalle and Giles Barnes scored six minutes apart in the second half to help Houston (2-1) beat Vancouver (2-1).
The win helped the Dynamo extend its home unbeaten streak to 27 matches, dating to July 2011. Houston has never lost at its new home, BBVA Compass Stadium
At FC Dallas 2, Real Salt Lake 0: Jackson scored a second-half goal and assisted on another in FC Dallas’ victory over Real Salt Lake (1-2-1).
Jackson scored in the 81st minute for FC Dallas (3-1) after he stole the ball from goalkeeper Josh Saunders outside of the goalie’s box and tapped a shot into the center of the net.
In the 71st minute, Jackson helped give FC Dallas the lead with a volley over the head of Lovel Palmer of RSL. Fabian Castillo took possession of the pass outside the penalty area before dribbling around Palmer and firing a shot from about 15 yards into the left corner of the net.
Crew 2, at D.C. United 1: Ben Speas scored 13 minutes into the second half to lead Columbus (2-1-1) past D.C. United (1-2-1).
Josh Williams also scored to help the Crew win for the first time win in Washington since 2010, and snap D.C. United’s 17-match home unbeaten run, during which it won 13 matches and drew four.
Rafael Teixeira scored in his club debut for D.C. United on a sensational volley, but couldn’t prevent United’s first home defeat since the 2012 season opener against Kansas City.
Sporting Kansas City 0, at Revolution 0: New England and Sporting Kansas City played to the second consecutive shutout match for both clubs.
New England (1-1-1) is scoreless through 208 minutes, and Sporting KC (1-1-2) is scoreless in 203 minutes.
Sporting KC goalie Jimmy Nielsen didn’t have to make a save en route to his second shutout of the season, while New England’s Matt Reis stopped five shots in posting his second shutout.
At Galaxy 1, Rapids 0: Mike Magee scored on a penalty kick in the 50th minute as Los Angeles (2-0-1) beat Colorado (0-3-1).
The Rapids played the last half of the match shorthanded after Drew Moor was ejected with a red card in the 48th minute.