By Ewan Murray Being a football manager can be bruising for one’s ego. When results are good and confidence high, it’s the best job on the face of the earth. But things can turn ugly pretty swiftly and the coach is the first to be turfed out when performances start to go awry. That’s a reality even some of the world’s best managers have to accept, with a number of elite coaches currently out of work for a myriad of reasons. Whether it’s outdated tactics, public outbursts or just bad luck, getting back on the ladder isn’t always straightforward. With that in mind, here are the 20 best managers …