lessandro Matri’s winner sunk Fiorentina and sent Juventus one point clear at the top of Serie A.
The summer signing from Cagliari netted in the 65th minute to lift the hosts clear of Udinese.
Leonardo Bonucci opened the scoring for Juve in the 13th minute, but Stevan Jovetic levelled the scores in the 57th minute.
Fiorentina’s winless streak is now five games and they dropped to 12th in the standings as a result of the defeat.