Here's some information from the club:
Sounders FC will open the MLS season at home for the fourth consecutive year. Seattle hosted the league's first match of the previous three seasons, and the 2012 opener will be the club's earliest in MLS and the first time the Rave Green will open on a weekend.
Prior to the MLS opener, Seattle will host Mexico's Santos Laguna in the CONCACAF Champions League quarterfinals on March 7 on the Xbox Pitch at CenturyLink Field. The second leg will be played on March 14 in Torreon, Mexico.
Ticket information is available at www.SoundersFC.com.
Meanwhile, here is a roundup of MLS home openers from MLSsoccer.com:
Just a week or so has passed since the 2011 MLS Cup, which means it's already time to start thinking about the 2012 season. On Tuesday, MLS announced the dates for the 2012 home openers, including the dates for the Montreal Impact's home debut and the inaugural match at the Houston Dynamo's new stadium. WEEK 1 (First Kick presented by Dick's Sporting Goods) •Saturday, March 10: Colorado Rapids, D.C. United, LA Galaxy, San Jose Earthquakes, Seattle Sounders FC, Vancouver Whitecaps FC •Sunday, March 11: Chivas USA, FC Dallas •Monday, March 12: Portland Timbers WEEK 2 •Saturday, March 17: Sporting Kansas City, Montreal Impact, Real Salt Lake •Sunday, March 18: Philadelphia Union WEEK 3 •Saturday, March 24: Chicago Fire, Columbus Crew, New England Revolution, Toronto FC •Sunday, March 25: New York Red Bulls
WEEK 10 •Saturday, May 12: Houston Dynamo (new stadium opener) The matchups and the full schedule are expected to be released before the end of the year.