Diop began his career with Senegalese side Diambars, joining their academy aged 13-years old.[1] During his time with Diambars, Diop spent a season on loan with Dinamo Zagreb.
Diop moved to the United States to play college soccer at Radford University, where he scored 13 goals and tallied 5 assists in 16 appearances.[2]
While at college, Diop also appeared for USL League Two amateur side New York Red Bulls U23.[3]
On 19 November 2019, it was announced that Diop would sign for USL Championship side Atlanta United 2 ahead of their 2020 season.[4] He made his debut for Atlanta on 11 July 2020, appearing as a 69th-minute substitute in a 2-1 loss against the Tampa Bay Rowdies.[5] Diop scored his first and second goals for Atlanta on July 30, 2020, during a 4-3 victory over Miami FC.[6] Diop was released by Atlanta following the 2021 season.[7]
On 9 December 2021, it was announced that Diop would join USL Championship side Birmingham Legion ahead of their 2022 season.[8] Diop made his debut for Birmingham on March 13, 2022 during a 1-1 draw with the Tampa Bay Rowdies.[9] He scored his first and only goal for Birmingham on April 24, 2022, the game winner in a 2-1 victory over Loudoun United FC.[10]
On 27 April 2022, Diop was traded to fellow USL Championship club Detroit City.[11] Diop made his debut for Detroit City on May 7, 2022, during a 3-1 loss to FC Tulsa.[12] He left Detroit following their 2022 season.[13]
