Crosby and Sullivan will be in the unfamiliar position of facing one another for the second time in five days tonight.

McAvoy is married to Sullivan’s daughter Kiley, who recently gave birth to the couple’s first child. McAvoy plays defense for the Boston Bruins, Sullivan coaches the Pittsburgh Penguins and their careers had not overlapped until now, when they’re on the same team with the United States at the 4 Nations Face-Off.

Team USA picked up a massive 3-1 win against Team Canada on Feb. 15. With this, they have qualified for the 4 Nations Face-Off final, which will take place on Feb. 20. View the original article to see embedded media.

These fall into the category of friendly fire delivered in the friendly confines of the locker room.

The puck drops on the 4 Nations Face-Off on Wednesday night, with a number of Bruins playing in the tournament and a champion set to be crowned in Boston.

Boston Bruins and Team USA defenseman Charlie McAvoy remains hospitalized after he suffered a shoulder injury and an infection.

But even with that sour end, Team USA head coach Mike Sullivan harped ... not spotted on the ice for Boston’s practice in Brighton on Friday. But even with the Bruins captain getting some ...

Sullivan is the father-in-law of Boston Bruins defenseman - and Team USA assistant captain - Charlie McAvoy Pittsburgh Penguins head coach Mike Sullivan is finally getting his chance to coach at ...

The Boston Bruins provided an update Wednesday morning on the star defenseman, who got hurt during the Americans’ 4 Nations Face-Off opener.

As well as an infection, Bruins say Charlie McAvoy suffered a “significant injury” to the AC joint in his right shoulder.

BOSTON – Brad Marchand knows a thing or two about playing in big games on Causeway Street. On Thursday night, however, he’ll be doing so from the visitors’ bench. The Bruins captain will be representing Team Canada as they battle Team USA in the 4 Nations Face-Off championship game at TD Garden.

While Mike Sullivan discussed the loss of Charlie McAvoy, his alternate captain, son-in-law and impact defenseman, the coach of the United States was asked whether an extra defenseman might be on his way to Boston ahead of the 4 Nations Face-Off championship against Canada (8 p.m. ET; ESPN, ESPN+, Disney+, SN, TVAS) on Thursday.