Congrats to DC United and Houston for their wins tonight. Houston won 2-0 over Puntarenas FC to advance on 2-1 aggregate. DC United beat Olimpia of Honduras 3-2 at RFK to advance on a 7-3 aggregate. DC United will play Chivas Guadalajara in the CONCACAF Champions Cup semi-finals and Houston will face Club de Futbol Pachuca. The only bad news tonight was for DC United with their goalkeeper Troy Perkins, last year's MLS Goalkeeper of the Year, going off injured in the 67th minute.