“United are more popular around the world. There is a difference and I can see that. Bayern Munich is a big club but United are bigger.”

You have to give it your all to be successful.

When we [Bayern] were in China people knew us but Bayern were not so big in America.

My hairstyle role model is Manuel Neuer. His hair is always perfect.

They told me my services were no longer desired because they wanted to put in a youth program as an advance way of keeping the club going. I’ll never make the mistake of being seventy again.

If he’s got golf clubs in his truck or a camper in his driveway, I don’t hire him.

I don’t want to spend money the club doesn’t have; I don’t want to hold a player that doesn’t want to stay.

My father gave me some Jack Nicklaus MacGregor clubs when I was six years old. He cut down some of the shafts, but they were men’s clubs, so they were heavy.

Just like every person who works for Dortmund is a fan of the club, it was the same at Mainz.

In London, you’ll be walking around and, ‘Oh, there’s the ground.’ Every area of the city has a Premier League club. They all survive; they all exist with enough money, and that’s good.

I was a very average player and became a trainer in Germany with a special club.

I’ve always said throwing a club shows you care.