The Timbers were in Los Angeles for a four-game preseason schedule, which ran from Feburary 7-15, and the Timbers were 3-0-1 in those four matches, and are still undefeated in pre-season play in MLS over their first two seasons.
Here is a summary of these four matches:
Timbers defeat Galaxy 4-1 in preseason opener:
http://www.portlandtimbers.com/news/2012/02/timbers-defeat-galaxy-4-1-preseason-opener
Timbers play Impact to draw in second preseason contest:
http://www.portlandtimbers.com/news/2012/02/timbers-play-impact-draw-second-preseason-contest
Jewsbury, Marcelin strike as Timbers beat Dynamo in preseason play:
http://www.portlandtimbers.com/news/2012/02/jewsbury-marcelin-strike-timbers-beat-dynamo-preseason-play
Timbers conclude four-game slate in Carson with a 2-0 victory over Fire:
http://www.portlandtimbers.com/news/2012/02/timbers-conclude-four-game-slate-carson-2-0-victory-over-fire