The Red Devils currently sit 15 points ahead of rivals and reigning champions Manchester City, and now only require seven more to claim the title thanks to a 2-0 win over Stoke on Sunday.
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"We are in a great position," Rooney told reporters.
"But we have to make sure we move on and push ourselves over that line."
The league title will be the 27-year-old's fifth in his career, and it could well be his last if recent rumours are to be believed.
Former Paris Saint-Germain sports advisor Michel Moulin declared on French TV on Sunday night that Rooney to PSG was a "done deal".
However, representatives of both Rooney and Manchester United have distanced themselves from the comments, and no evidence has yet come to light to support Moulin's statements.