2014 US Open Cup Round 4: Houston Dynamo trade red cards with PDL’s Laredo Heat, hold on to win 1-0 (video) June 12, 2014 by Stephen Eastepp The Houston Dynamo opened its 2014 US Open Cup campaign with a narrow 1-0 win over PDL side Laredo Heat on Wednesday night. Honduran midfielder Alexander Lopez opened his scoring account for the Dynamo with the game’s lone goal.