Mourinho probably learned equally as much from Louis van Gaal Dazz, he was only a translator for Robson he was assistant for van Gaal.
BTW didn't Benitez play for Real Madrid? Not exactly an average career
-edit- My bad, he coached the youth team
And I'd argue Mark Hughes being a good manager ECG. Before he left the Wales job they went about a year without winning, and Blackburn stayed up by kicking the shit out of people and Brad Friedel performing the occasional miracle. I'll reserve judgement on him til the end of this coming season, if he gets rid of players like Emerton (which has been rumoured) Blackburn could really struggle.