The NPSL is pleased to announce that the following 8 teams will be participating in the 100th edition of the Lamar Hunt U.S. Open Cup:

Brooklyn Italians
Chattanooga FC
FC Hasental
FC Lehigh Valley United Sonic
Georgia Revolution
Madison 56ers
New York Red Bulls U-23s
Sacramento Gold

Opponents as well as game times and dates will be determined by the draw that will take place in late April. 

The 2013 tournament features 68 teams, an increase from the 64 that competed last year, marking the largest field in the modern era. This year also marks the second-consecutive year in which all U.S.-based Division I, II and III teams will participate in the tournament proper.

The amount of prize money distributed will also see a substantial increase, with the overall champion earning a total of $250,000. The tournament runner-up will receive $60,000 and the team that advances the furthest from each lower division will win $15,000.

Another significant change for 2013 is the process for determining the site for the Open Cup tournament semifinals and final. In past years, the sites for the final three matches of the tournament had been determined through a sealed-bid process, but this year the hosts of those games will be determined by a coin flip. Home teams throughout the entire tournament will be determined by random selection.

The following represents a list of participating teams:

Major League Soccer (Division I - 16 teams): Chicago Fire, Chivas USA, Colorado Rapids, Columbus Crew, D.C. United, FC Dallas, Houston Dynamo, LA Galaxy, New England Revolution, New York Red Bulls, Philadelphia Union, Portland Timbers, Real Salt Lake, San Jose Earthquakes, Seattle Sounders FC, Sporting Kansas City. 

North American Soccer League (Division II - 6 teams): Atlanta Silverbacks, Carolina RailHawks, Fort Lauderdale Strikers, Minnesota Stars FC, San Antonio Scorpions, Tampa Bay Rowdies. 

USL PRO (Division III - 12 teams): Charleston Battery, Charlotte Eagles, Dayton Dutch Lions, Harrisburg City Islanders, Los Angeles Blues, Orlando City, Phoenix FC Wolves, Pittsburgh Riverhounds, Richmond Kickers, Rochester Rhinos, VSI Tampa Bay FC, Wilmington Hammerheads. 

PDL (16): Carolina Dynamo, GPS Portland Phoenix, Ocean City Nor'easters, Reading United, Austin Aztex, Laredo Heat, Ocala Stampede, Orlando City U-23s, Des Moines Menace, Michigan Bucks, Real Colorado Foxes, River City Rovers, FC Tucson, Portland Timbers U-23s, Sounders FC U-23s, Ventura County Fusion.

The remaining slots will be filled by teams from USASA Regional Qualifiers (8), US Club Soccer (1), and the U.S. Specialty Sports Association (1).