Kyrie Irving will not be playing in the Celtics' matchup with the 76ers Thursday.

According to ESPN, the Celtics guard will miss the game with a sore shoulder.

Kyrie Irving is out vs Philly due to sore shoulder. Brad Stevens says he’s hopeful to have him back “sooner than later” but has no firm timetable.

— Chris Forsberg (@ESPNForsberg) January 18, 2018

Coach Brad Stevens told reporters the team will hope to have him back "sooner than later" but gave no timetable for his return.

Irving complained about the issue during the Celtics' loss Tuesday night to the Pelicans, but it is unclear exactly when he sustained the injury.