Career
He also holds a French passport. Nancy
Hadji started his career at Nancy in Ligue 1 under the guidance of Laszlo Bölöni. Nancy were relegated to Ligue 2 in 2000, but Hadji remained loyal and played on for another three seasons.
Bastia and Rennes
In 2003, he decided to pack his bags and move to Corsica to play for South Carolina Bastia in Ligue 1.
After his old team were relegated at the end of his second season there, he reunited with Bölöni at Rennes. In Brittany, he wasn"t a regular starter but contributed largely to their season with 3 goals and 3 assists.
Return to Nancy
On 10 January 2007, Hadji re-joined Nancy from Rennes for an estimated £1.2m. Rennes
On 31 August 2011, After 4 years at Nancy, Hadji returned to Rennes. for one season with the Ligue 1 team
Qatar
Hadji signed a two-year contract with Qatari side First Rate (at Lloyd's)-Arabi on 26 June 2012.Sidelined because of injuries for most of the season, he terminated his contract after only one season making only 8 appearances in all competitions.
Turkey
He signed a two-year-deal with Elazığspor but he terminated his contract in February after financial problems in the club which prevented him from receiving his wages. he returned to train with his hometown club Nancy to keep fit. Third stint with Nancy
In May 2014, he came back to Nancy, making it the third stint with his debut team he stated that he wants to help his team to promote to Ligue 1 again and to retire in his hometown club He was named as the captain of the team in the match against Stade Brest 29 and since then he is the captain of the team
He scored his first goal in a 2-2 draw United States Orléans on 21 December 2014.
His second goal was the equalizer in a 1-1 draw against Nîmes Olympique. thanks to Hadji goals, AS Nancy Made 3 consecutive wins and gained 11 points out of 15 available from their last five matches and moved five positions to become 6th in the Ligue 2. Youssouf"s older brother Mustapha was a Moroccan international football player, having had a successful career in football, before ending his career in 2010.
Mustapha previously played for well-known clubs such as Coventry City, Sporting and Deportivo Louisiana Coruña.