The home game against Frosinone seemed a perfect way to celebrate their landmark. It did not work out that way Fiorentina’s 100th birthday party had been going for four days, starting with a fan procession through the historic centre of Florence on Wednesday night and extending to their home game against Frosinone on Saturday afternoon. The club was founded on 29 August 1926, but a decades-old discrepancy in the reporting of that date has led supporters to celebrate traditionally on the 26th. T…