Arsenal manager Arsene Wenger has admitted he appreciated the significance of Robin van Persie's move to Manchester United long before the £24 million transfer was sealed last summer. PA PhotosRobin van Persie has carried on his fine form from last season • Blog: Suarez v Van Persie Van Persie has been hailed as the player who can decide the title this season after a sparkling start to his United career, yet Wenger is not surprised by his former captain's impact. "I don't need anyone to tell me how good he is," stated Wenger when asked about Van Persie's impact at United. "We knew when we sold him to United that that would be the case. He is one of the best strikers in the world,