The Cascadia Cup dates back before any of Vancouver Whitecaps FC, Seattle Sounders FC, or the Portland Timbers joined MLS, beginning in 2004 when the teams competed in the USL.

PORTLAND, Ore. — Santi Moreno's goal in the 36th minute pulled the Portland Timbers into a 1-1 draw with the Seattle Sounders in a Cascadia Cup rivalry match on Saturday night.

PORTLAND, Ore. (AP) — Santi Moreno’s goal in the 36th minute pulled the Portland Timbers into a 1-1 draw with the Seattle Sounders in a Cascadia Cup rivalry match on Saturday night.

Cascadia Cup - Vancouver Whitecaps, Seattle Sounders, Portland Timbers (2004) The Cascadia Cup is one of several trophies contested in MLS rivalries each season / Courtesy of Portland Timbers FC.

This is how important the Cascadia Cup rivalry between Seattle and Portland is: Both teams used heavily rotated lineups in midweek games to make sure they had their best players ready for Saturday ...

PORTLAND, Ore. (AP) — Santi Moreno’s goal in the 36th minute pulled the Portland Timbers into a 1-1 draw with the Seattle Sounders in a Cascadia Cup rivalry match on Saturday night.

PORTLAND, Ore. (AP) — Santi Moreno's goal in the 36th minute pulled the Portland Timbers into a 1-1 draw with the Seattle Sounders in a Cascadia Cup rivalry match on Saturday night.

Santi Moreno's goal in the 36th minute pulled the Portland Timbers into a 1-1 draw with the Seattle Sounders in a Cascadia Cup rivalry match on Saturday night. The Timbers (6-3-5) have not lost at ...