Maximiliano Urruti scored, Darwin Quintero added a goal and an assist and Houston beat Seattle 2-1 to snap an eight-game losing streak against the Sounders.
Cristian Roldan scored for the fourth consecutive game and the Seattle Sounders beat the Colorado Rapids 3-0 on Sunday night to take the Western Conference lead.
Cristian Roldan and Will Bruin scored after backend giveaways and the Seattle Sounders defeated Sporting Kansas City 2-1 in a first-place showdown Sunday night.
Ángel Mena scored twice in the second half, including a penalty kick in the 81st minute, and Club León rallied for a 3-2 win over the Seattle Sounders in the Leagues Cup final on Wednesday night.
Raúl Ruidíaz scored in second half stoppage time and the Seattle Sounders defeated Santos Laguna 1-0 on Tuesday to become the first finalist of the Leagues Cup.
Sebastián Blanco scored his second goal of the season off a sloppy turnover early in the second half, Felipe Mora scored late in second-half stoppage time and the Portland Timbers beat the Seattle Sounders 2-0 on Sunday night.
Raul Ruidiaz scored the go-ahead goal directly off a free kick and the Seattle Sounders went on to beat the rival Portland Timbers 6-2 in a Cascadia Cup match Sunday night.
Johnny Russell and Daniel Salloi scored in the first half, Cameron Duke added his first MLS goal in the second and Sporting Kansas City beat the Sounders 3-1.