Manchester United Having begun his career in the academies of
West Ham United and
Tottenham Hotspur, Forson joined
Manchester United in January 2019. Following interest from
Arsenal, Forson decided to remain with United, signing a scholarship deal in 2020. The same year, he was promoted to the under-18 side at the age of sixteen, and in August 2021, he signed his first professional deal with the club. Ahead of the 2023–24 season, Forson was included in United's pre-season squad, travelling to
Oslo, Norway, where he featured in a 2–0
friendly win against
Leeds United. He made his first-team debut in a 2–0 away win against
Wigan in the
2023–24 FA Cup. He made his
Premier League debut as a substitute in a 4–3 away win against
Wolves, in which he registered an assist for
Kobbie Mainoo's late winner. With his contract due to expire at the end of the
2023–24 season, Forson was named in the club's Retained list for 2024–25 and offered a new deal.
Monza On 11 June 2024, ahead of the expiration of his contract with Manchester United, Forson agreed to join
Serie A side
Monza on a
free transfer, signing a four-year deal running until the end of June 2028. ==International career==