What I have learned mostly is you have to be ruthless. I have so much respect for this football club that if I did not feel ready I would not be sitting in this chair. The first thing I have to do is change the energy. The players have to accept a different process, a different way of thinking. If we don’t have the right culture the tree is going to shake.
– Mikel Arteta
What Arsenal’s new head coach learned during his time as assistant head coach to Pep Guardiola at Manchester City.