Here are 10 things you may or may not know about our new left-back…
Born and bred
He was born in Longjumeau, France on 17 July 1994.
He made his professional debut for Le Harve, just a few weeks after his 17th birthday.
Mendy had made just 64 senior starts when he was signed by Marseille, just a few days shy of his 19th birthday.
He was a regular starter at international youth level, representing France Under-16s, 17s, 18s, 19s, and 21s – making a total of 58 appearances over a seven-year period.
Mendy made his senior international debut against Luxembourg in March 2017 and has won four caps to date.
Mendy was a team-mate of former City Academy graduate Karim Rekik during his time with Marseille.
Mendy joined Marseille’s rivals Monaco in 2016, having made 101 appearances in three years with the Ligue 1 club.
He spent just one year with Monaco, making 38 appearances and scoring one goal
Ligue 1 recognition
Mendy’s impressive performances for Monaco earned him a place in the prestigious Ligue 1 Team of the Year for 2016/17
Mendy has a sizeable following on Twitter with 238,000 followers and 463,000 on Instagram where his cryptic tweets are the stuff of legend