Ahead of the Seattle Sounders’ fourth-round U.S. Open Cup match against the Portland Timbers on Tuesday (7:30 p.m. PT; SoundersFC.com, KIRO Radio 97.3 FM, El Rey 1360AM | TICKETS), refresh yourself with the frequently asked questions about the tournament.
What is the Lamar Hunt U.S. Open Cup?
The Open Cup is the longest-running national soccer competition in the United States with the 2017 tournament the 104th edition. It was first played during the 1913-14 season as the National Challenge Cup before taking its current name in 1999.