If i had to pick a manager it would be Simeone, although style is different, but each match is treated no less by his players, therefore to motivate his players to give the most of themselves for every game even if he loses i think this is one of the most important qualities of a manager (justarsenal.com)
The problem at DOE is that the quality of managers, with some exceptions, is quite low, he said. (cnbc.com)
«So the biggest controllable factor that we could see was the quality of the manager, and how they sort of made things happen. (nytimes.com)