Mourinho won the CL at Porto without bucket loads of cash. Aside from that, any mistakes that Mourinho makes will be important as they might just be the kinds of mistakes that bring the whole edifice down. Yes, he can write off any dodgy purchases but, as with the case of SWP, he can't keep all of his big money signings happy. So if he doesn't have a plan of how the players he buys fits into the system he wants to play then he's just storing up trouble. And if you don't believe that then we might as well all pack the league in...