Diop trained with the junior teams of CB Gran Canaria and CB TerrAlfas.[1] In 2018, he was named the MVP of the national junior club championship. He debuted with Gran Canaria B in the Liga EBA, the Spanish fourth level league, at age 15. On 3 November 2019, Diop recorded 25 points and a league record 28 rebounds in a Liga EBA game against Novum Energy Lyceum.[1]
After declaring for the 2022 NBA draft, Diop was drafted 39th overall by the Cleveland Cavaliers. Cavaliers President Koby Altman announced a few days later that Diop would not join the Cavaliers roster in the 2022-23 NBA season, and would stay in the Spanish League.[6] Diop later signed a contract extension with Gran Canaria.[7]
Baskonia (2023–present)
On July 14, 2023, Diop signed a multi-year contract with EuroLeague mainstays Baskonia.