D.C. United lost the first-leg of its FC Champions Cup round-of-16 series with Comunicaciones, 4-0, in Guatemala City. First-half ejections of Richie Williams and Ryan Nelsen left D.C. United playing two-men down for 55 minutes, during which Comunicaciones scored all its goals, three coming from Honduran international Milton Nunez and one from Uruguayan striker Oscar Torlacoff D.C. United hosts the return leg March 13. The series will be decided on aggregate goals, meaning Coach Ray HudsonGs will be aiming for a 5-goal victory. Williams received his first and second cautions for dissent. Nelsen was cautioned for dissent and for serious foul play. March 6 in Guatemala City Comunicaciones (Guatemala) 4 D.C. United 0. Goals: Nunez (Thompson) 45, Torlacoff (Nunez) 70, Nunez 80, Nunez 86 (Gomez). Comunicaciones — Danny Ortiz, Erick Miranda, Gustavo Cabrera (Freddy Garcia, 54), Alvaro Jimenez, Jorge Rodas (Edin Lopez, 45), Nestor Martinez (Edgar Valencia, 40), Andres Rivera, Rigoberto Gomez, Freddy Thompson, Oscar Torlacoff, Milton Nunez. D.C. United — Nick Rimando, Brandon Prideaux, Ryan Nelsen, Eddie Pope, Ivan McKinley, Lazo Alavanja, Richie Williams, Jose Alegria (Bryan Namoff, 46), Mark Lisi, Santino Quaranta (Mike Burke, 69), Abdul Thompson Conteh (Craig Ziadie, 46). Cautions: COM ÷ Torlacoff 18G DC ÷ Prideaux 24G DC ÷ Nelsen 31G DC ÷ Williams 31G DC ÷ Quaranta 45+G DC ÷ McKinley 53G DC ÷ Rimando 70G COM ÷ Jimenez 90G Ejections DC ÷ Wiliams 31 DC ÷ Nelsen 35G Referee: Rodrigo Badia (Costa Rica), RefereeGs Assistants: Arnulfo Gonzales, Gregorio Pineda (Guatemala) Attendance: n/a