Di Molfetta was born in Sesto San Giovanni, a suburb of Milan. He first started playing football as a child, joining local amateur club Rondinella.[1] At the age of 6 he was recruited by AC Milan, where he went on to spend 13 years in their youth system.[1] Di Molfetta also made his professional debut with the club, coming on for Giacomo Bonaventura in the late stages of a 3–1 away win against Atalanta on 30 May 2015, aged 18.[1]
Benevento and Rimini (2015–2016)
For the 2015–16 season, Di Molfetta was sent out on loan to Lega Pro club Benevento.[2] However, the deal was cut short during the January transfer window and he was loaned out to Rimini, another Lega Pro club, for the remainder of the season.[3]
Prato (2016–2017)
At the beginning of the 2016–17 season, Di Molfetta was once again loaned out to a Lega Pro club, this time to Prato.[4]