CHICAGO (CBS) — The Blackhawks lost more than their Sunday matinee with the Boston Bruins on Sunday.

Defenseman Johnny Oduya suffered an upper-body injury early in the first period of Chicago’s 6-2 loss and would not return. The Blackhawks were forced to maneuver their defense with five players.

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“We’ll know more tomorrow,” Blackhawks coach Joel Quenneville said. “We’ll see how he is. Upper body [injury], but we’ll see. Might miss a few [games].”

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Oduya has just two goals and three assists while posting a minus-9 mark this season. The Blackhawks are soon anticipating the return of rookie defenseman Trevor van Riemsdyk, who suffered a leg injury in November.

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Chicago suffered its most lopsided loss of the season on Sunday, its second straight defeat.