Sane's form has been mixed since leaving Manchester City in the summer'
He said of Guardiola: “Pep and I had a good relationship. He raised me to a completely new level. Mainly by working on little things: with which foot do I take the ball in which situation and how? What is the best action to open the space?
“Other coaches tell you that too, but he really did it every day until I did at some point have a little man in my ear with his voice that told me what to do when and how.
“He doesn't stop when he sees that you've improved. He'll find something new to work on with you tirelessly. If I hadn't moved to Manchester, I probably wouldn't have reached that level."