Chelsea boss Mourinho has claimed that he will have no money to spend in the transfer market this summer even though billionaire owner Roman Abramovich has publicly insisted there will be funds available. But super-confident Mourinho still believes Chelsea can regain the title from Manchester United.
Reading midfielder Steve Sidwell and Bayern Munich's Peruvian striker Claudio Pizarro have already arrived for nothing, and they will joined PSV defender Alex - who is owned by Chelsea.
United, meanwhile, have splashed out £40million on Owen Hargreaves, Nani and Andersen.
But Mourinho said: "For the next season Chelsea have told me there is not much of a budget for reinforcements.
"The money will be practically nil and we will not be paying for transfers. But I don't think that investment is necessary because Chelsea already have an able and successful team as long as we don't have injuries.
That is what hurt us last season.
"Even without big investments, Chelsea will be fighting with United. I am convinced that we will be the best next season."