Carolina Hurricanes forward Jordan Martinook and defenseman Calvin de Haan have had offseason surgeries.

General manager Don Waddell said Tuesday that Martinook had a procedure on a core muscle while de Haan’s surgery was on his right shoulder.

Martinook is expected to recover in 4-6 weeks while de Haan will be out 4-6 months.

The 26-year-old Martinook had a career-best 15 goals with five game-winners, and was in and out of the lineup during the playoffs due to injuries. The 28-year-old de Haan injured his shoulder against Pittsburgh on March 31 but returned for Game 4 of the first-round playoff series against Washington.

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