Current NHL injury designations, updated through the day from ESPN.
Kovacevic (undisclosed) is undergoing imaging Thursday and won't play in the Devils' home matchup against the Capitals, Kristy Flannery of The Hockey News reports.
Mantha (throat) was placed on long-term injured reserve by the Devils on Wednesday, retroactive to Nov. 7.
Casey will be out of action for 6-8 weeks after undergoing a knee procedure, Kristy Flannery of The Hockey News reports Friday.
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