NEW YORK -- Islanders defenseman Alexander Romanov will be out for five to six months following surgery on his right shoulder, the team said Sunday.

The injury to the 25-year-old Romanov occurred Tuesday in Dallas in the final minute of regulation when he was hit from behind by Stars forward Mikko Rantanen .

Romanov, who had to be helped from the ice, was placed on injured reserve Wednesday. He has one assist in 15 games this season. He signed an eight-year, $50 million contract last summer.

"He's not happy," Islanders coach Patrick Roy said before Sunday's home game. "We have to move on. We don't replace a player like that."

Roy said the team would rely on Adam Boqvist and Marshall Warren in place of the speedy Romanov. The Islanders won six of seven games on their just-comp

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