PSG officially announced Mauricio Pochettino as their new manager, replacing Thomas Tuchel.
Pochettino's contract runs through 2022.
"As you know, this club has always held a special place in my heart. I have wonderful memories. I return to the club today with a lot of ambition & humility," said Pochettino.
The Argentine manager played for the club for two seasons, winning the UEFA Intertoto Cup in 2001.