sentences:  On November 28, 2008, the Washington Capitals signed and recalled Helmer from Hershey due to several key injuries among the Capitals' defensemen.Helmer led the Bears to Calder Cups in 2009 and 2010.While with the Oklahoma City Barons, Helmer became the AHL all-time leading scorer among defencemen in 2011, passing John Slaney.