(Sandy, UT) -- The Portland Timbers visit Real Salt Lake tomorrow in the Round of 16 of teh Lamar Hunt U.S. Open Cup. The Timbers had a dramatic win over Seattle Sounders FC in the only matchup in the fourth round between the rivals. This will be the second match between Real Salt Lake and the Portland Timbers in the last three years in the Open Cup tournament. RSL topped Portland 2-1 in the semifinal round in 2013. Kickoff from Rio Tinto Stadium at 8:00.