The 23-year-old has made 49 appearances for Sassuolo since becoming a member of the Italian outfit in 2017.
The midfielder has began all 9 of Sassuolo’s high flight matches this season, and has scored three objectives.
In keeping with Calcio Mercato, the Italian’s progress is being monitored by the Crimson Devils, who despatched a scout to look at him within the 5-0 win over Salernitana on October 2.
The Premier League giants are anticipated to face competitors to signal the midfielder, with Tottenham Hotspur, Brighton & Hove Albion and West Ham United additionally stated to be eager on the participant.
Frattesi has a contract with Sassuolo till June 2026.