After a scoreless first half last weekend, the Los Angeles Galaxy opened it up offensively and wound up cruising past one of the two expansion teams in MLS.

With a stellar performance against the league's other first-year club, they'll earn a spot in the record books.

The Galaxy try to extend their unbeaten streak to a franchise record-tying 15 games Wednesday night when they visit the Portland Timbers, who haven't won in six home matches after a strong start.

Los Angeles (12-2-9) is perhaps more aware than most that a strong regular season hardly guarantees playoff success after finishing with a league-high 59 points in 2010 before flaming out in the Western Conference finals.

That doesn't mean the Galaxy are taking the 34-game grind for granted in 2011. Los Angeles hasn't lost since May 1, improving to 8-0-6 since then after Saturday's 4-0 win at Vancouver.

Landon Donovan scored twice, and all four goals came after the 60th minute.

"I thought our team played very well for 90 minutes," coach Bruce Arena told the Galaxy's official website. "The first half, both teams created chances, but we took control around the 30-minute mark and had a very good second half.

"Landon's goal broke Vancouver's backs. It was a very good day for the Galaxy."

Coming away with at least a point in Portland will help Los Angeles equal a franchise record for longest regular-season unbeaten streak, originally set from Sept. 7, 1997-May 17, 1998, and matched Oct. 2, 2009-June 5, 2010.

Columbus holds the MLS record at 19, set over a nine-month span in 2004-05.

The Timbers (6-10-4) know a thing or two about streaks at Jeld-Wen Field, but the run they're currently riding is hardly one they've enjoyed. Portland opened its new stadium with five consecutive victories, but it hasn't won at home in six matches since.

The Timbers were well on their way to stopping that drought at five Saturday after Jack Jewsbury's penalty kick in the 57th minute gave them a 2-0 lead on Toronto FC. But the visitors rallied, scoring twice down the stretch to escape with a 2-all draw.

"I told the guys in the locker room that you can only keep papering up the cracks for so long," coach John Spencer said. "Individually and collectively you have to stand up and be a man and at times we did stand up and at times we weren't there to be seen. ... It was a bitterly, bitterly disappointing end to the game."

The Timbers have blown leads in three of their last four home matches.

Donovan scored twice in the Galaxy's 3-0 home win against Portland on April 23, and Spencer is already having nightmares about facing the league's co-scoring leader, tied with New York's Thierry Henry at 11.

"Everybody talks about David (Beckham), everybody talks about Henry, I worry about Landon Donovan because he's the best American player by a mile," Spencer said.

Beckham will be back in the lineup after missing Saturday's win due to yellow-card accumulation.