Rooney's former Manchester United teammate Zlatan Ibrahimovic, who has also taken to life in MLS like a duck to water, has praised the impact of England's top scorer.
They now hold a four-point lead over Montreal for the sixth and final play-off spot in the Eastern Conference with just two matches remaining.
His superb goal after 18 minutes looked worthy of winning any game, and so it proved with only Yamil Asad's offside finish and Luciano Acosta's effort which rattled the crossbar coming close to adding to DC's lead.
"I think so far he did fantastic, he changed the team he came to and they have done good results", Ibrahimovic told Sky Sports.
Estoy muy bien gracias a Dios: José José por estado de salud
Así que, por favor, sepan que estoy muy bien, en mi casa, con Sarita , mi hija , con mis médicos, con mis medicinas y todos mis tratamientos.
Gianluca Busio put the result beyond doubt in stoppage time, the 16-year-old netting his first MLS goal on a simple tap-in before Salloi rounded out the scoring at the death.
Rooney and co. are unbeaten since the end of August and have two games left this season, which they must win to secure the play-offs.
"I don't need to describe Rooney".
Rooney was at it again Wednesday, scoring on a free kick of over 30 yards against Toronto FC for the only goal in a 1-0 win that had major playoff implications for his side.