LA Galaxy ended their three-game losing streak in MLS thanks to Zlatan Ibrahimovic's double against Dallas.
Chicago Fire claimed a narrow win over Montreal Impact thanks to Bastian Schweinsteiger's late goal.
Philadelphia Union captain Alejandro Bedoya called out Congress during a game after mass shootings rocked the United States.
Lassi Lappalainen, on loan from Bologna, helped Montreal Impact crush Philadelphia Union on his MLS debut.
Gonzalo Martinez came off the bench to break the deadlock in the 89th minute before Josef Martinez sealed Atlanta United's victory.
Wayne Rooney and Lucas Rodriguez helped DC United to a comfortable MLS win over Cincinnati.
Jefferson Savarino guided Real Salt Lake to a crushing victory over Philadelphia Union on Saturday.
The Portland Timbers moved off the bottom of the Western Conference with a win over Dallas.
Toronto ended an eight-match winless run with a dramatic victory over Atlanta United in MLS.
After losing to New England Revolution prior to the international break, LA Galaxy accounted for FC Cincinnati on Saturday.