Thomas Tuchel's approach relies so much on a sound defensive base

Thomas Tuchel's approach relies so much on a sound defensive base. When that base becomes flimsy, the whole 'Tuchel-ball' concept can go spectacularly wrong - as it has in games against Brentford and Arsenal of late. West Ham should fancy their chances of causing Chelsea a problem, especially with a rested Michail Antonio fit to lead the line. ............................