Wayne Rooney helped DC United move clear atop the Eastern Conference in MLS, while LA Galaxy was held to a draw.
Rooney's fifth goal of the season saw DC United overcome the Columbus Crew 1-0 at MAPFRE Stadium.
The former Manchester United captain struck approaching the half-hour mark for the game's only goal.
Rooney stepped up to take a free-kick from the edge of the area, curling his strike into the bottom corner.
The win was DC's fifth in nine games this season, moving it three points clear at the top.
LA Galaxy was unable to find a way through against Minnesota United, drawing 0-0 at Allianz Field.
The result left Galaxy in second in the Western Conference, three points behind rival Los Angeles FC.
Montreal Impact is second to DC United and recorded a 3-0 win over the New England Revolution thanks to a late double from Anthony Jackson-Hamel.
New York City claimed a much-needed win by beating Chicago Fire 1-0, while Seattle Sounders came from behind to draw 2-2 at home to the San Jose Earthquakes.