By Chris Smith For the Vancouver Whitecaps to remain in the MLS Cup Playoffs race heading into Decision Day, a remarkable turn of events had to occur. First off, the Canadian side had to end a run of three consecutive defeats with just one goal scored. They did just that, beating the LA Galaxy, Seattle Sounders, and Austin FC in their last three matches by a combined scoreline of 7-1. But they also needed the teams above them to slip up, which is exactly what happened as well. Heading into the final day of the regular season, sixth-place Portland Timbers have taken one point from their last tw…