Both are heavily in debt.
according to soccerlens.com Manchester United and Chelsea FC are 1.5 billion pounds in debt
The most money spent on footballers are Chelsea and Manchester United.
Personal opinion really. But on last seasons performance probably Manchester United. They won the 2008 World Club Cup, Carling Cup and Premiership, as well as getting to the Champions League final. Chelsea won the FA Cup, but we shall see this season. Manu are better!
Manchester United get him free from Newcastle, because he's contract goes out.
Manchester United's Budget is over 250 million American dollars and over 120 Euros