An article you might find interesting: http://www.sjearthquakes.com/news/2011/07/glance-back-quakes-whitecaps-fc-renew-rivalry (Also, since Seattle beat Portland on July, they would have retained the Heritage Cup in a "boxing format).
Yeah, it doesn't really need the hardware. That's why I thought the formality of the Heritage Cup was cool, because it was a different dynamic from an actual rivalry.
