The manager defines the tactics of the team, decides which players to play in every game, and decides which player the team should buy (Generally). However, in Italy, it is the director of football of the team that has the authority to decide which player the team should buy (after listening to the manager's opinion). \nThe Coach(es) is a subordinate of the manager. They are assigned to train the players on their physical ability and skills.\nThe manager doesn't deal with business matter such as merchandising, ticket price, etc. That is the job of the board of director or General Manager.