Is having a 'team' coaching? Certainly Man Utd players have had their most effective qualities 'coached' out of them. Pochettino's team all reference how good it is to go on the pitch knowing that they are going to be backed up by their team mates. A lot of that is application. You see your team mates putting in the effort and do likewise. I think it's also about knowing your part in the collective whole and what others are bringing to the team and that they will do it effectively.
What strikes me about the teams, not traditionally seen as successful, that are having such a good season is that they are very, very well organised. They tend to have pretty low levels of possession of the ball but are unconcerned by that. They know how to defend when they don't have the ball and that comes from long hours working hard on the training pitch. They also know how to switch from defence to attack very quickly. They have pace and power in attacking positions and they make sure they use it. They get the ball to the pacy players as quickly as possible but they don't just hoof it upfield. I was struck by watching Norwich beat Utd at the weekend how well they broke out of defensive positions using the pace of Jerome and Tettey (neither of whom are that skilled but have real pace and strength). This mirrors what Palace, Leicester and Watford are doing.
Match of the Day used to be filled with Hansen laughing at comical defending. Hansen's gone and the joke defending along with him. Defending can be coached into a team that costs far less than the traditional top teams. George Graham's boring Arsenal defence got very few international caps but won league titles. Look at City's £30m centre halves and Liverpool's Lovren, Sakho and Skrtel. They often look lost whereas Huth, Morgan, Dann, Cathcart, Britos, etc are having fine seasons. This defensive drilling is what Pulis has done for years to keep teams in the PL. Other coaches have effectively grafted pacy counter-attacking onto it and Hey-Presto you're challenging for Europe!