HOUSTON -- Kei Kamara scored two goals for the Houston Dynamo, which beat Chivas USA, 4-0, Wednesday night and extended its winning streak to four games and its undefeated string to seven.
The Dynamo (8-4-8) leads Major League Soccer's Western Conference by five points over Real Salt Lake.
Chivas USA (6-9-5) lost for the third time in four games and had its winless streak extended to five games.
Tony Caig made two saves for the Dynamo's eighth shutout this season and its fifth consecutive shutout of Chivas USA in MLS play.

