Deciding on the top 5 hardest sports is hard. Just remember that it is sports that are hard for both training and competition. For example, a game like a football is hard to compete in, but they practice pretty lightly to avoid injury.
I agree with you! Soccer is not so easy as it can seem. Players train hard a lot of time! They really work, especially top reams. If you are interested in football betting you always should check soccer tips. Guys that write these tips are always take trainings of the team into consideration.