Manchester United go six points clear in Premier League with 3-2 derby win . Robin van Persie scores late winner against second-placed champions City . The last time the two sides met was on April 26, when Van Persie's goal helped Arsenal beat their rivals 2-1. ` I think we made a mistake for the Van Persie free-kick at the end by only putting three men in the wall . City leveled through Yaya Toure and Pablo Zabaleta before injury-time free kick .
Manchester United go six points clear in Premier League with 3-2 derby win . Robin van Persie scores late winner against second-placed champions City . The last time the two sides met was on April 26, when Van Persie's goal helped Arsenal beat their rivals 2-1. City leveled through Yaya Toure and Pablo Zabaleta before injury-time free kick .