The rivalry between Seattle Sounders FC and Portland Timbers and Vancouver Whitecaps is one of the most compelling in MLS. Over the years, these two clubs have played dozens of matches across regular season, playoffs, and cup competitions, with the series remaining closely contested.
Rivalry matches between Seattle Sounders and Portland Timbers and Vancouver Whitecaps consistently draw some of the highest attendance figures and television ratings in MLS. The intensity of these fixtures is fueled by geographic proximity, overlapping fanbases, and years of competitive history. Players and coaches consistently cite these matches as the most important on the calendar, and fans circle the dates as must-attend events each season.