This book, in color with interactive videos, is an indispensable tool for training what we call football's indefensible spaces. The level of detail and the tactical solutions expressed in these pages will help you to understand the movements of the players and the spaces they occupy that allow them create innumerable defensive problems for the opposing team. In this work, a specialist in tactical analysis breaks down the patterns employed by top coaches such as Marcelo Bielsa, Jorge Jesus, Roberto Moreno, and Xavi Hernández in all phases of the game, and against different opposing formations. As a coach, you will be able to understand the tactical situations presented in this book and then practice them with your own team, since you will also find training sessions you can use to help mould your players.