Defences work best as a unit as we all know. Mustafi alone could bring the Berlin wall crumbling down just by sneezing at it. I do believe that a proper defensive coach could drill these chaps into a semblance of reliability but all I see is collective panic with players stumbling all over each other, hacking wildly at balls and colliding with each other FFS. Id be shocked if we got a draw either against Utd or the Spuds. Realistically we need to win both games