A product of Spanish powerhouse
Saski Baskonia, Diop was sent out on loan to minor league team to gain playing time and experience. He made his debut for Baskonia in the Spanish top-flight
Liga ACB in the course of the 2013-14 campaign. An early entry candidate for the
2016 NBA draft, he later withdrew his name. On 10 July 2021, he signed with
Gran Canaria of the Spanish
Liga ACB. On 5 July 2022,
Gran Canaria released Diop. On 13 July 2022, he signed with
UCAM Murcia in the
Liga ACB. On 20 August 2023, he signed with
Unicaja of the Spanish
Liga ACB. On 4 October 2023, he signed with
Filou Oostende of the
BNXT League. On 11 January 2024, he signed with
Lenovo Tenerife of the Spanish
Liga ACB. On 18 January 2025, Diop signed with
Al Riyadi of the
Lebanese Basketball League. ==International career==