 During his time at the club, Kuzmanović went on to become an integral first team player for Fiorentina, notching up over 70 Serie A appearances and featuring in their successful European competition runs.On 31 August 2009 on the transfer deadline, Kuzmanović signed a four-year contract with VfB Stuttgart worth £7million.On 12 September 2009, Kuzmanović made his Stuttgart debut, playing 22 minutes, in a 3–1 loss against Hamburg.