TUKWILA, Wash. (AP) — Rodney Wallace scored in the 10th minute of extra time to help the Portland Timbers beat the Seattle Sounders 3-1 in a fourth round U.S. Open Cup game Tuesday night.

The defending Cup champion Sounders finished the game with just seven players. Defender Brad Evans was ejected in the 69th minute with his second yellow card. Forward Obafemi Martins, who tied the game 1-1 in the 79th minute, went down hard in the 85th. He eventually was wheeled away on a stretcher. By then, Seattle had used all three of its substitutions.

In the 111th minute, Seattle's Michael Aziri was shown a straight red card. Moments later, Clint Dempsey got one yellow and then a red.

A shot from the top of the penalty area restraining arc by George Fochive led to Wallace's game winner. Fochive's shot was blocked, but the ball rebounded out to Wallace in the right side of the 6-yard box. He ripped a shot past goalkeeper Troy Perkins into the far left corner.

Diego Valeri scored in the 48th minute for the Timbers, and Maximiliano Urruti scored an insurance goal in the 116th.

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