Fiorentina president enjoys taunting Juventus players after win
However, a Giuseppe Rossi hat-trick and Joaquin in the final 25 minutes turned it all around for a thrilling 4-2 victory.
"I saw the machine guns and they brought us luck. We replied with four rifle shots," smiled Della Valle.
"This win feels incredible and with this we wiped out many ugly memories. It was important to rediscover this spirit.
"This performance was for the fans and the whole city. Florence won, our hearts won, as we never gave up and neither did the supporters in the stands.
"Many thought Rossi was a gamble, but we knew he was a guarantee. Neto also did well to keep us afloat when we were 2-0 down."
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