*Club domestic league appearances and goals, correct as of 17:03, 6 April 2024 (UTC) ‡ National team caps and goals, correct as of 22:14, 23 January 2024 (UTC)
Mendy was born in Gambia before moving to Parla, near Madrid at the age of six. As a youth player, Mendy played for Parla and Atlético Casarrubuelos.[3] He then briefly joined Atlético Madrid C before the team were disbanded in 2015.[4] He then had a short spell with Puerta Bonita before moving to England.[1][5] In 2017, he signed for English ninth tier side Redhill, scoring 13 goals in 40 games.[6][7] In 2018, he signed for Carshalton Athletic in the English seventh tier, scoring eight goals in 46 games.[8][9] In 2019, Mendy signed for English sixth tier club Wealdstone, helping them earn promotion to the English fifth tier.[10] In 2021, he signed for Boreham Wood in the English fifth tier.[11][12] In 2022, he signed for Welsh team Wrexham.[13][14]