Fernandes wrote: “I would like to say thank you to the board of West Ham to allow me to take this opportunity in my career and let me grow as a player, I wish the whole West-Ham family the very best for the upcoming season. am happy & excited about this challenge coming for me in Italy with A.C Fiorentina. I’ll work hard to help my new team-mates & the Club. Forza Viola.”
Fiorentina will pay all of the 22-year-old Swiss midfielder wages plus a loan fee of 750,000 Euros with an option to buy of around 9 million Euros.
Fernandes, who has been capped four times by his country at senior level, joined the Hammers in the summer of 2016 from FC Sion and has turned out on 48 occasions for the Hammers.