Fiorentina coach Cesare Prandelli insists he's not nervous ahead of their celebrated Champions League opener against Olympique Lyon tonight.

"I am relaxed and I expect the tension will grow as we get closer to kick-off," said the Viola boss ahead of their Champions League debut.

"The team is very concentrated and that bodes well. We have understood where we went wrong against Napoli, as we must have a completely different approach and remain as concentrated as possible."