Week 12 in MLS produced several dramatic upsets this past weekend which drastically altered the league standings.

The Chicago Fire recovered from a 2-0 deficit to draw 2-2 versus the Columbus Crew, the Montreal Impact squeezed out a 2-1 win over FC Dallas and the Colorado Rapids edged the Vancouver Whitecaps.

A few of the top sides in MLS failed to win, including last week's No. 1, the Seattle Sounders. Did they manage to keep hold of the top spot?

Here are the MLS power rankings after Week 12.

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