Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A transfer in professional football is the action taken whenever a player or a manager who is under contract with one professional club moves to another. In other words it means that a player's registration is transferred from one football club to another. In general, the players can only be transferred during a transfer window and according to the estabished regulations of a governing body. Some sort of compensation is paid for the player's rights while the move from one club to another terminates the contract of the player with his former club. A player has to negotiate a new contract with the club he is moving to...