Joseph Alfred Duncan (born 10 March 1993) is a Ghanaian professional footballer who plays for Fiorentina as a midfielder.
2010
Duncan began training with Inter Milan in the summer 2010.
2011
But due to FIFA regulations, he formally joined Inter in March 2011, after his 18th birthday.
During that time, he lived in Inter training centre "Centro Sportivo Giacinto Facchetti" in Milan.
2012
Duncan made his Serie A debut for Inter in August 2012.
He made his full international debut on 14 November 2012 against Cape Verde.
Inter Primavera
Livorno
Fiorentina
Ghana U20
2013
Duncan represented Ghana at the 2013 FIFA U-20 World Cup in Turkey playing four games during it.
2014
On 19 July 2014, Duncan joined fellow Serie A side Sampdoria from Inter Milan for two seasons, until 30 June 2016.
2015
Duncan moved permanently in January 2015 with Sampdoria paying a transfer fee of about €3 million and Duncan signing a 4 1⁄2-year contract.
On 23 July 2015, Duncan was signed by Sassuolo on a temporary deal, with an obligation to sign him outright at the end of season from Sampdoria, for about €6 million.
2016
On 6 March 2016, Duncan scored his first goal for the club against A.C. Milan in a 2–0 win.
2020
On 31 January 2020, Duncan joined Fiorentina on loan with an obligation to buy.
On 17 January 2021, Duncan joined Cagliari on loan until 30 June 2021 with an option to buy.
