Despite a first-half double from Zlatan Ibrahimovic, LA Galaxy were unable to see out a win against San Jose Earthquakes.
Bradley Wright-Phillips was on the scoresheet as the New York Red Bulls beat Dallas in MLS.
Toronto came from 3-0 and 4-3 down to earn an incredible draw against DC United in MLS.
The LA Galaxy were too good for Real Salt Lake in MLS as Zlatan Ibrahimovic starred.
In-form Dallas moved ahead of Sporting KC by a point in the west thanks to Saturday's 2-1 victory against 10-man LAFC.
LA Galaxy were beaten by Dallas in MLS despite Zlatan Ibrahimovic's brace.
A brace from Samuel Armenteros helped the Portland Timbers past the Colorado Rapids in MLS.
Bradley Wright-Phillips scored twice in the second half as New York Red Bulls rallied past Atlanta for their fourth consecutive win.
The marquee matchup of the week features MLS's top team, Atlanta United FC, and a New York Red Bulls club that's won four of its last five.
Toronto and LA Galaxy were beaten again as their struggles in MLS went on.