Fergie asks for more from derby hero Rooney

Stroke of genius sinks solid City as traditional rivals slog it out

MANCHESTER, England - Sir Alex Ferguson described Wayne Rooney's winning goal in the Manchester derby as the best he had ever seen, but the United manager still wants more from his star striker.

Rooney, so disappointing for much of this season, scored for just the fifth time in the league as his stunning overhead kick from Nani's cross secured a crucial 2-1 victory over Manchester City at Old Trafford on Saturday.