Team USA head coach Mike Sullivan sent a few words analyzing the relevance of NFL star Matthew Tkachuk, who has dealt with injuries throughout the 4 Nations Face-Off.

Team USA continues to treat and evaluate key player Matthew Tkachuk following undisclosed injury against Team Canada

Jack Eichel-Matthew Tkachuk line was a force for the USA at the Four Nations, and now the former has revealed how it all came together.

Matthew Tkachuk left the United States’ 4 Nations Face-Off victory over Canada on Saturday night because of what coach Mike Sullivan called a lower-body injury.There were few details beyond that after the 3-1 victory.

Team USA head coach Mike Sullivan provided a last-minute update on the status of NHL star Brady Tkachuk ahead of the Four Nations final against Team Canada.

It was Tkachuk who ignited the fireworks at the start of the United States’ 3-1 win against Canada on Saturday in Montreal, fighting Canada forward Brandon Hagel at puck drop. This after he scored twice in a 6-1 win against Finland in the tournament opener for the U.S.

Team USA is firmly in first place in the 4 Nations Face-Off standings following a 3-1 victory over Canada on Saturday night and a 6-1 win over Finland on Thursday. As the Americans head into the final game of the round-robin stage,

Matthew Tkachuk left Saturday night's USA vs. Canada game with a lower-body injury. What's his status for Monday?

The USA already is without Matthew Tkachuk against Sweden for Monday's 4 Nations Face-Off. Now, the team will have to finish the game without his brother. ' Brady Tkachuk left the game during the first period of the final round robin game.

Matthew Tkachuk has been a star of the United States, but he may have suffered an injury at the 4 Nations Face-Off.  The USA star appeared to get injured at some point in the third period of the round-robin game against Canada at the 4 Nations Face-Off.