Seattle, Portland supporters show off tifo in first Cascadia clash of 2018

Saturday's meeting between the Seattle Sounders and Portland Timbers marked the first Cascadia Cup match of the year, and as always, the supporters in the stands added some color to the proceedings.

Both the home Seattle fans and Portland's traveling fans put some serious effort into their pregame tifo, which you can check out below:

Which set of supporters produced the better tifo? Let us know in the comments below!