This page details the qualification process for the 2009 Lamar Hunt U.S. Open Cup. The tournament proper features teams from the top five levels of the American Soccer Pyramid. These five levels, namely Major League Soccer, the United Soccer Leagues (First Division, Second Division, and Premier Development League), and the United States Adult Soccer Association, each have their own separate qualification process to trim their ranks down to their final eight team delegations in the months leading up to the start of the tournament proper. It is expected that eight teams from each level will compete in the tournament proper, with the eight clubs from MLS receiving byes into the Third Round.