According to Bruins beat reporter James Murphy's Twitter page, the Bruins could be close to signing Zack Morris' dad defenseman Derek Morris:
Update on Derek Morris to Bruins: All we can say is that the Bruins and Morris are very close to a deal. No call back from agent. So "close"
Mike McMahon from the Lawrence Eagle Tribune is also reporting via Twitter that the Bruins have signed Derek Morris:
Just confirmed Morris to #bruins with a second source. ... No details on contract. So basically today's moves turn into Ward for Morris+4th