MONTREAL (AP) -- Marco Di Vaio scored in the 14th minute and the Montreal Impact beat the New York Red Bulls 1-0 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.
The Red Bulls had a slight edge in ball possession, but the Impact dominated the scoring chances and wasted a handful of opportunities to pad the lead.
A crowd of 26,259 saw Di Vaio whiff on a perfect setup from Andres Romero, have a shot from the left side blocked by Luis Robles and tip another ball just wide in the second half alone.
The Impact scored first for a fourth straight game in the 14th when goalkeeper Troy Perkins sent a long ball up the middle that was headed down to Bernier. The playmaker slipped a pass through the New York defense to Di Vaio, who beat Robles to the left side for his second goal of the season.
DYNAMO 2, WHITECAPS 1
HOUSTON (AP) -- Warren Creavalle and Giles Barnes scored 6 minutes apart in the second half to help Houston beat Vancouver.
After Barnes beat goalkeeper Joe Cannon with a header in the 56th minute, Creavalle found a loose ball in the box and kicked it past Cannon in the 62nd minute for the Dynamo (2-1)
The win helped the Dynamo extend their home unbeaten streak to 27 games, dating to July 2011. Houston has never lost at its new home, BBVA Compass Stadium
Darren Mattocks scored in the 36th minute for the Whitecaps (2-1).
FC DALLAS 2, REAL SALT LAKE 0
FRISCO, Texas (AP) -- Jackson scored a second-half goal and assisted on assisted on another in FC Dallas' victory over Real Salt Lake.
Jackson scored in the 81st minute 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. Saunders dribbled out of the net attempting to make a clearance before Jackson came around the left side to make the steal.
In the 71st minute, Jackson helped give FC Dallas the lead with a volley over the head of Salt Lake's Lovel Palmer. 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. FC Dallas is 3-0 at home this season and 3-1-0 for the season. Real Salt Lake dropped to 1-2-1.
GALAXY 1, RAPIDS 0
CARSON, Calif. (AP) -- Mike Magee converted a penalty 5 minutes into the second half, and Los Angeles beat Colorado to take the Western Conference lead.
Magee scored after Rapids center back Drew Moor was sent off for elbowing Marcelo Sarvas in the face in an off-the-ball incident, a major setback for Colorado after losing starting midfielder Pablo Mastroeni and center back Diego Calderon to injuries in the first half.
The Galaxy (2-0-1), playing without star striker Robbie Keane and defender Omar Gonzalez, both off on international duty, started teenage forwards Villarreal and Jack McBean, who came close to scoring several times before Magee netted his MLS-best fourth goal of the season.
Colorado (0-3-1) is last in the nine-team West and 18th among 19 clubs in the overall standings.
EARTHQUAKES 1, SOUNDERS 0
SANTA CLARA, Calif. (AP) -- Chris Wondolowski scored just before halftime for San Jose against Seattle.
San Jose (2-1-1) beat Seattle (0-2-1) for the fourth straight time in regular-season play, building on a sweep of three contentious meetings last year.
It was the second score this season for Wondolowski, who tied MLS' career record with 27 goals last season -- including two winners against Seattle.
CREW 2, D.C. UNITED 1
WASHINGTON (AP) -- Ben Speas scored 13 minutes into the second half to lead Columbus past D.C. United.
Josh Williams also scored to help Columbus win for the first time win in Washington since 2010, and snap D.C. United's 17-match home unbeaten run, during which they won 13 matches and drew four.
Rafael Teixeira scored in his club debut for D.C. 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, REVOLUTION 0, TIE
FOXBOROROUGH, Mass. (AP) -- New England and Sporting Kansas City played to a scoreless tie, the second straight 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.