According to Paris Saint Germain official injury update, there are a few players within PSG squad suffering injuries from recent matches
For Friday, December 19, regarding Lee Kang-In, Matvey Safonov, and Bradley Barcola:
Lee Kang-In: Suffered a muscle injury to his left thigh during Wednesday's match against Flamengo. He will be sidelined for several weeks.
Matvey Safonov: Sustained a fracture to his left hand, also during the match against Flamengo. His status will be re-evaluated in 3 to 4 weeks.
Bradley Barcola: Remains in treatment due to muscle fatigue.