Eastern Conference Round 1
New York Red Bulls are sitting out

Chicago vs New England = New England 1, Chicago 0
Sporting Kansas City vs DC United = DC United 1, Sporting Kansas City 0
Toronto FC vs Houston = Houston 1, Toronto FC 0
Philadelphia vs Columbus = Columbus 4, Philadelphia 2

Western Conference Round 1
Chivas USA are sitting out

Real Salt Lake vs LA Galaxy = LA Galaxy 3, Real Salt Lake 2
San Jose vs Colorado = Colorado 1, San Jose 0
Portland vs Vancouver = Portland 3, Vancouver 2
FC Dallas vs Seattle = Seattle 2, FC Dallas 1

Eastern Conference Round 2
New England vs DC United = New England 1, DC United 0
Houston vs Columbus = Houston 1, Columbus 0

Western Conference Round 2
LA Galaxy vs Colorado = Colorado 3, LA Galaxy 1
Portland vs Seattle = Seattle 2, Portland 1

Eastern Conference Final
New England vs Houston = Houston 1, New England 0

Western Conference Final
Colorado vs Seattle = Colorado 1, Seattle 0

MLS Cup
Houston vs Colorado = Colorado 4, Houston 2

I used a site called Nationalsportsrankings.com and they only have the 2011 teams on there, and since the league is uneven, certain teams will be alternated in and out of tournaments.