1994 World Cup veteran Roy Wegerle has joined the U.S. squad training for the Costa Rica match on Sept. 7 in Portland. Wegerle, who has been performing well of late for MLS champion D.C. United, played 20 minutes in United’s 2-1 U.S. Open Cup semifinal victory over the San Francisco Bay Seals on Sept. 3. Here is the Costa Rican roster for the Sept. 7 World Cup qualfier: Goalkeepers — Hermidio Barrantes, Erick Lonnis, Ricardo Gonzalez. Defenders — Luis Marin, Maximilian Peinado, Mauricio Wright, Mauricio Montero, Alex Madrigal, Harold Wallace, Austin Berry. Midfielders — Joaquin Guillen, Justin Campos, Kenneth Paniagua, Oscar Ramirez, Victor Badilla, Roy Myers, Wilmer Lopez. Forwards — Hernan Medford, Ronald Gomez, Allan Oviedo, Jafet Soto. Head coach: Juan Luis Hernandez.