Rio Ferdinand Fans Blog Rio Ferdinand has said that the former Arsenal captain Robin Van Persie is a very good buy for Manchester United and the star Netherland striker could be vital for the club in the upcoming season. A few days ago, Persie had signed for Manchester United. Though, Manchester City was also interested in Persie, but, the Dutchman preferred to join Sir Alex Ferguson's team. As per Ferdinand, Persie is one of the best strikers around and his inclusion has strengthened the Manchester united squad significantly. In the last season, Manchester City had won the premier league title. But according to Ferdinand, it would not be easy for Manchester City to defend the premier league title in the upcoming season. In the last season, Ferdinand was not able to perform that well. He also struggled with hamstring injury and missed some games due to that. Ferdinand admitted that in the last season, he was not at his best. He said that when you struggle with your fitness, your performance gets affected automatically. His body was not in the proper shape in the last season. But, he has spent a lot of time in the gym in the off season. He is fully fit and ready to play his best football in the upcoming season. Meanwhile, Ferdinand has been fined heavily by Manchester United for one of his controversial tweets. The manager of Manchester United, Sir Alex Ferguson, has said that Ferdinand should be careful while using the social