A look at either blue line during Friday night's 1-0 Stars overtime win over the Bruins and there were bound to be unknowns on defense, such as recent residents of AHL arenas in Cedar Park or Providence -- Zboril? Bayreuther? Clifton? Hanley? Lauzon?Both the Bruins and Stars entered Friday night bruised on defense, shaken by a rash of injuries that ravaged their depth and forced both Boston and Dallas to reach deep into their organization.