Ray Shero's wish list for the offseason was headlined by a top-six winger and an elite defenseman for the Penguins' No. 1 pairing. It still is. And might be for quite a while. Not only because players with the kind of pedigree Shero covets don't come available very often -- that's particularly true of top-shelf defensemen -- but also because the looming expiration of the NHL's collective bargaining agreement seems to be dissuading teams from making major trades.
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