Sabres add D Zadorov to active rosterSource: AP ‘The Buffalo Sabres have added rookie defenseman Nikita Zadorov to the active roster and sent fellow defenseman Rasmus Ristolainen to AHL Rochester.’ Related posts: Sabres one above roster limit after waiving Sulzer Sabres sign first-round pick D Rasmus Ristolainen Barkov booked for second place, Ristolainen trip Sabres First-round defensemen share Sabres camp spotlight Toronto 5, Buffalo 3