A Landon Donovan brace helped the LA Galaxy to a 4-0 win at the Vancouver Whitecaps in Major League Soccer on Saturday.After a goalless first 45 minutes at Empire Field, USA international Donovan broke the deadlock with a goal just past the hour mark.

He doubled Galaxy's lead from the penalty spot on 74 minutes, and Sean Franklin then made it 3-0 with nine minutes remaining.

Adam Cristman weighed in with Galaxy's fourth in the 90th minute.

The win takes Western Conference leaders Galaxy six points clear of second-placed Dallas.

Elsewhere on Saturday, Houston Dynamo defeated the Seattle Sounders 3-1 at home.

Colin Clark netted first for Houston just six minutes into the match, with a Brian Ching double making sure of the win.

Alvaro Fernandez struck a consolation penalty for the visitors.

Houston are fifth in the Eastern Conference, while Seattle are third in the Western Conference, seven points behind Galaxy.

Eastern Conference leaders Columbus Crew ran out 2-0 winners in their match away to Real Salt Lake.

Eddie Gaven and Tom Heinemann both struck in the first 10 minutes for Columbus.

And Sporting Kansas City snatched a 1-1 draw at home to the New England Revolution.

The Revolution had led through Rajko Lekic's 38th-minute goal, but with eight minutes to go they were reduced to 10 men, due to the sending off of AJ Soares.

And the hosts made the man advantage count, snatching a last-minute equaliser through Teal Bunbury.

Kansas are fourth in the Eastern Conference, with New England seventh.