McAvoy injured his right shoulder in Team USA’s opener and a subsequent infection necessitated a hospital stay.

Boston Bruins defenseman Charlie McAvoy is being treated for an infection and a "significant injury" to his right shoulder and remained in a Boston hospital Wednesday morning.

The drama at the Four Nations Face-Off is reaching a crescendo in advance of Thursday night’s final between the U.S. and Canada. Due to Charlie McAvoy’s hospitalization for an infection, Team USA called Quinn Hughes to Boston,

Playing for the Boston Bruins, Charlie McAvoy is accustomed to being a visitor at Bell Centre as a chief rival of the host Canadiens.

A Bruins team desperately trying to claw back into playoff positioning may not have McAvoy for the final stretch of regular-season play.

The defenseman is also undergoing treatment for an infection in his right shoulder at Massachusetts General Hospital.

Star defenseman Charlie McAvoy played through a shoulder injury that later hospitalized him in Team USA's win over Canada on Saturday.

Bruins coach Joe Sacco said he "wouldn’t expect (McAvoy) in the short-term" as the franchise defenseman remains hospitalized.

Off, Boston defenseman Charlie McAvoy remains in the hospital with a “significant injury” to his right shoulder that developed an infection.

Boston Bruins defenseman Charlie McAvoy has been in the hospital since Tuesday after being diagnosed with an infection and "significant" AC joint injury in his right shoulder, the team said Wednesday.

Team USA and Bruins defenseman Charlie McAvoy remains hospitalized with "an infection in his right shoulder as well as a significant injury to his ACL joint," making his status for the NHL season unclear.

Bruins coach Joe Sacco on losing McAvoy at 4 Nations: "I think every team’s probably a little bit nervous when they send their players."