Coaching a football team is one very complex task, and that's because you have to keep finding various ways to make your team win. Most times, we only get to see coaches do their jobs during games. But there are just so many other things that we don't see, take for example training sessions. And what the coach does during these training sessions is probably more important than what he does during games.   During training sessions, most managers tend to employ regular training methods to keep their players fit. However, there is another group of managers who prefer a much more rigorous style of training. In this video, we'll be talking about some of these managers.   So sit back and relax as we bring to you 5 Managers with the most intense training sessions.