The 24-year-old has signed a four-year contract with the French side.
Nice coach Eric Roy said: “We were looking for a specialist at left-back for a while, Monzon will bring a lot.”
Monzon spent last season on loan at the Stade Municipal du Ray.
The 24-year-old has signed a four-year contract with the French side.
Nice coach Eric Roy said: “We were looking for a specialist at left-back for a while, Monzon will bring a lot.”
Monzon spent last season on loan at the Stade Municipal du Ray.
