Real Salt Lake coach Mike Petke criticized the officiating and VAR after a loss to Minnesota United and threatened MLS to fine him for his comments.
Marc Rzatkowski's seven-minute brace in the second half helped the New York Red Bulls beat Sporting Kansas City 3-2 on Saturday night.
Ignacio Piatti had a goal and an assist and Evan Bush had two saves to lead the Montreal Impact to a 2-0 victory over the San Jose Earthquakes.
Two stoppage-time goals gave the LA Galaxy an unlikely 3-2 victory over the host New England Revolution on Saturday night at Gillette Stadium.
The opening of Audi Field had its share of missteps on Saturday, including a dislodged railing that fell on D.C. United's sideline reporter.
Wayne Rooney's Major League Soccer career got off a winning start. For his club, D.C. United, it was a shaky first step into a promising new era.
Kellyn Acosta scored his first goal of the season shortly after coming on as a substitute as host FC Dallas defeated the 10-man Chicago Fire.
Chris Schuler and Dom Dwyer scored as Orlando City held on to end a nine-game losing streak with a 2-1 victory over Toronto FC.
Darwin Quintero scored one goal and assisted on two others to help host Minnesota United FC edge Real Salt Lake 3-2 on Saturday night.
Scoring chances were rare and fleeting as the Houston Dynamo and Colorado Rapids played to scoreless draw on Saturday.
Yamil Asad christened new stadium Audi Field with its first goal Saturday and Paul Arriola scored a brace in the second half as D.C. United frustrat
Jeff Carlisle Soccer
Wayne Rooney has recorded his first assist in MLS, setting up Paul Arriola for his second goal on the night. DC United is well on top now, leading Vancouver 3-0 with around five minutes to go.
Jesus Medina's goal in the 80th minute broke a scoreless draw and helped New York City FC cap a perfect week with a 2-0 victory against Columbus.
Jeff Carlisle Soccer
Wayne Rooney makes his DC United debut, coming on for Darren Mattocks in the 58th minute.
D.C. United forward Wayne Rooney made his Major League Soccer debut in a 3-1 victory over the Vancouver Whitecaps Saturday.
|Atlanta United FC||20||12||4||4||+19||40|
|New York City FC||20||12||4||4||+16||40|
|New York Red Bulls||18||11||2||5||+18||35|
|Columbus Crew SC||21||8||6||7||-1||30|
|New England Revolution||19||7||7||5||+4||28|
|Orlando City SC||19||7||1||11||-15||22|
|Sporting Kansas City||20||9||6||5||+10||33|
|Real Salt Lake||20||9||2||9||-8||29|
|Minnesota United FC||19||7||1||11||-12||22|
|Seattle Sounders FC||17||4||4||9||-7||16|
|San Jose Earthquakes||19||2||6||11||-10||12|