The 23-year-old has shone for Sassuolo in Serie A this season, scoring 8 in 24 games.
And AC Milan, a club searching for young talent with great upside, are becoming more serious about Boga.
MN.it reports that there have been contacts between Milan and Sassuolo all the way back to December.
In recent days, the Rossoneri have shown a more concrete interest in Boga, who would prefer to stay in Serie A.
However, the last word belongs to Boga’s former club Chelsea, who have have an option to buy back the attacking midfielder.
Sassuolo’s request for Boga is around €20m, who they paid around €4m for in 2018.