Template talk:MLS rivalry cups
The Cascadia Cup is not part of MLS Fan Cups. When 2011 rolls around and the Timbers and Whitecaps join MLS, the cup will transition from a United Soccer Leagues Fan Derby to an MLS Fan Cup. Should this continue to be vandalized in this manner, you will be reported and following User:Socceraficionado's warning, will be swiftly dealt with.
News articles showing the competition is between the Whitecaps and Timbers while the sounders are in a different league. [1]