Stalberg appeared to injur his right shoulder, according to The Tennessean's Joshua Cooper.
The Predators signed Stalberg to a four-year, $12 million contract this summer after he had 23 points (nine goals, 14 assists) and averaged 14:07 of ice time in 47 games for the Chicago Blackhawks last season. Nashville is counting on Stalberg to bolster what was one of the NHL's lowest-scoring offenses in 2012-13.
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