Goals from Daniel Salloi and Diego Rubio helped Sporting KC to a 2-1 home victory against the LA Galaxy on Sunday.
Salloi poked in the opener in the 18th minute before Rubio tapped in a Seth Sinovic pass in the first half for Peter Vermes' men.
Romain Alessandrini pulled a goal back for Galaxy but they were unable to find another at Children's Mercy Park.
Sporting Kansas City (@SportingKC) September 24, 2017
Sporting KC is third in the Western Conference, a point adrift of the first-place Vancouver Whitecaps.
Sitting second is Portland, which recorded a 3-0 win over a nine-man Orlando City side.
Diego Valeri opened the scoring from the penalty spot to extend his MLS-record scoring streak to nine matches.
Darren Mattocks doubled the lead before Jonathan Spector was sent off for Orlando early in the second half.
Valeri struck again prior to the hour mark and substitute PC also saw red for Orlando.
Meanwhile, Atlanta extended its unbeaten run to six matches with a 2-0 win at home over the Montreal Impact behind strikes from Hector Villalba and Jeff Larentowicz.