"Zeman is a legend in Italy and I certainly followed his progress when I was working in Switzerland. So much has been written about him and his name is known overseas.
"From the first day here I realised what the derby represents in Rome. I had a few derbies in Switzerland, but the entire country has as many inhabitants as the city of Rome. This is a special event, to be shared by everyone.
"It's a shame we can't walk out before kick-off to soak up the atmosphere and see what happens in the stands. It is wonderful to be part of such a festival of football."