Amad Diallo was born on July 11 2002 in  Abidjan, Côte d’Ivoire.  He started his senior Career in Serie a with ATALANTA. He made his Serie a debut on 27 October 2020 with his 79th-minute goal against Udinese.

On 5 October 2020 Diallo signed for Manchester united a 5-year contract. On 9 February he was called to join the senior team. He is a prolific winger with good vision. His Pace and dribbling abilities are so good. He can equally able to produce with his both feet which makes him a versatile player.