Former Manchester United winger Omari Forson has completed his surprise move to Italian side Monza.
Forson, 19, was offered a new contract by United in December and was given a first team opportunity by Ten Hag but failed to agree terms.
United had hoped to secure a new long-term deal with the player, but instead, the talented teenager has signed a four-year deal with the Italian team.
The move is a blow to Erik ten Hag's side, who gave the highly-rated teen his first-team debut last season.
After being included in United's squad for their pre-season tour last summer, Forson made bow for the club in the FA Cup win over Wigan in January.