PORTLAND -- Rodney Wallace headed in a corner kick in the 78th minute and the Portland Timbers stalled the Seattle Sounders' playoff push with a 1-1 draw Saturday.
The draw also kept the Timbers (7-14-7) in the driver's seat in the Cascadia Cup, the annual head-to-head competition between the Sounders, Timbers and Vancouver Whitecaps.
Freddy Montero scored for the Sounders (13-6-9), who are second in the Western Conference and could have punched their ticket to the postseason with a win over Portland and an Earthquakes win over Chivas USA later Saturday.
Seattle stretched its unbeaten streak to five games coming off a 2-1 win over Chivas last Saturday.
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