Juninho scored the go-ahead goal in the 62nd minute and David Beckham had three assists as the Los Angeles Galaxy beat FC Dallas 3-1 on Saturday night.
Omar Gonzalez and Mike Magee scored on headers for the Galaxy (13-3-9), who moved six points ahead of last year's MLS Cup runner-ups in the Western Conference.
Beckham has a league-leading 11 assists this season.
Marvin Chavez scored in the 9th minute for Dallas (12-6-6), his fourth goal in the past three games.
The Galaxy grabbed the lead for good when Beckham sent in a cross from the sideline. Gregg Berhalter got a head on it, pushing the ball back out of the box towards Juninho.
The Brazilian midfielder's low shot hit the left post and went in for a 2-1 lead.