Two goals from Sergio Aguero and one from David Silva gave Manuel Pellegrini's men a 3-1 win at West Ham, who replied through Ricardo Vaz Te.
And Richards admitted: "It's about time we got that away win.
"We played well. It was a bit nervy at 2-1 but we got there in the end. I don't think we deserved to concede...pressed well and had the majority of ball."
The champions conceded a late goal to draw 1-1 at home to Southampton and Richards added on Sky Sports: "I didn't see - the last I saw they were one up. That was a nice little boost. But Arsenal and Chelsea won so it'll be a tough season."
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