Florentin who is the brother of France World Cup winner and former Manchester United midfielder Paul Pogba will further strengthen the Mariners' defence which was bolstered by the addition of Australian defender Brendan Hamill on Thursday.
The 33-year-old has represented ATK, ATK Mohun Bagan and Odisha FC in the Indian Super League in recent seasons, and is a product of the Real Madrid Castilla.
The Jalandhar-born footballer will join the two-time Indian Super League champions after impressive showings for the I-League outfit, Rajasthan United FC.
Jiteshwor will be joining Marina Machans following an impressive outing for Neroca FC in the I-League last season in which he was adjudged the Best Emerging Player of the Season.
Chennai (Tamil Nadu) [India], June 4 (ANI): Two-time champions Chennaiyin FC have signed West Bengal captain and defender Monotosh Chakladar ahead of the upcoming Indian Super League season 9.
Chennai (Tamil Nadu) [India], June 2 (ANI): Two-time Indian Super League champions Chennaiyin FC have signed winger Alexander Romario Jesuraj on a multi-year deal.