PITTSBURGH (KDKA) — Penguins Head Coach Mike Sullivan announced today that defenseman Kris Letang will be out of the lineup on a week-to-week basis with a lower-body injury.

Letang left the game on Monday night against the Bruins, a game that saw the Penguins trailing 3-0 after the first, take the lead 4-3 after the second, and ultimately drop the matchup 6-4 in regulation.

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The defenseman was ruled out of last night’s 4-3 comeback victory against the Islanders.

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Defenseman Juuso Riikola was in the Penguins lineup last night in place of the injured Letang.

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The Penguins take on the Chicago Blackhawks tomorrow night at PPG Paints Arena with faceoff scheduled for 7:00 p.m.