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The season marked the arrival of two new league clubs , Portland Timbers and Vancouver Whitecaps FC , whose cities previously had clubs of similar name play in the USSF D2 Pro League .
 Portland Timbers, Vancouver, FC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Portland Timbers, Vancouver, FC