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#NHLBruins assign Matt Grzelcyk to @AHLBruins: https://t.co/MrWjjvVmU4
— Boston Bruins (@NHLBruins) April 18, 2017
Both Tommy Cross and Matt Grzelcyk were called up on an emergency basis, so having Cross in the lineup shows what direction the Bruins are going in. Could it signal something about the health of other B’s blue liners too?