Fiorentina president Della Valle: Ref cost us 30M
Della Valle fears the defeat will cost them Champions League qualification.
"There was a serious error of judgment that could cost us 30m," said Della Valle of the denied penalty.
"It is an important sum and it could make a big difference for us. Referees are human and I want to think it was only a mistake, so that there is nothing bigger behind it..."