And then there were four.

The New York Red Bulls, Columbus Crew, FC Dallas and Portland Timbers advanced to the MLS Conference finals. The former two will square off in the East, with the latter two battling in the West.

Columbus and Dallas overcame deficits from the first leg before progressing. As a result, both sides have catapulted into the top three of the power rankings this week.

As always, the eight conference semifinalists will be graded based on the following criteria:

Here are the latest MLS playoff power rankings.

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