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Fiorentina was the club managed by Prandelli in 2009. He took over the reins of the Italian club in June of that year, replacing Cesare Prandelli. Under Prandelli's guidance, Fiorentina enjoyed a successful period, finishing fourth in Serie A in his first season and reaching the semi-finals of the Coppa Italia. He also led the team to the round of 16 in the UEFA Europa League.