The Philadelphia Union's introduction into MLS will come in the intense atmosphere of Qwest Field as Major League Soccer's newest team will face its second newest in the league's 2010 season opener on March 25th.

MLS announced the home openers for 15 of the league's 16 teams on Thursday, with Philly-Seattle kicking off the season on Thursday, March 25. Toronto FC's home opener has not been determined yet as the club is awaiting the outcome of its proposal to install a grass surface at BMO Field.

The New York Red Bulls will unveil Red Bull Arena on March 27 with a match against the Chicago Fire, while Toronto FC and Columbus renew acquaintances at Crew Stadium that same day.

Here is a rundown of all the MLS home openers:

THURSDAY, MARCH 25, 2010

Philadelphia Union at Seattle Sounders (ESPN2)

SATURDAY, March 27, 2010

Toronto FC at Columbus Crew

Chicago Fire at New York Red Bulls (ESPN2)

D.C. United at Kansas City Wizards

Houston Dynamo at FC Dallas

Real Salt Lake at San Jose Earthquakes

New England Revolution at Los Angeles Galaxy

SUNDAY, MARCH 28, 2010

Colorado Rapids at Chivas USA (Telefutura)

SATURDAY, APRIL 3, 2010

Chicago Fire at Colorado Rapids

New England Revolution at D.C. United

Kansas City Wizards at Houston Dynamo

SATURDAY, APRIL 10, 2010

D.C. United at Philadelphia Union (Fox Soccer Channel)

Toronto FC at New England Revolution

San Jose Earthquakes at Chicago Fire

Seattle Sounders at Real Salt Lake

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What do you think of these match-ups? Looking forward to seeing Red Bull Arena? Think the Philly-Seattle opener is going to be as good an atmosphere as Seattle's inaugural match this year?

Share your thoughts below.