VIDEO: De Zerbi prepares for his first Olympico

Marseille will aim to extend their "almost perfect" start to the Ligue 1 season when they visit struggling rivals Lyon this weekend.
New coach Roberto De Zerbi has already helped raise hopes that Marseille could emerge as Paris Saint-Germain's strongest challengers for the title this term with three wins and a draw from his first four games in charge,
But despite excitement rising among beleaguered supporters, whose side won the last of their nine Ligue 1 titles in 2010, De Zerbi believes his team need to keep their feet on the ground. Take a look at the last training session of De Zerbi's team before the Olympico.