With the departures of Eichel, Reino & Risto; the Sabres leadership has shifted back to their natural leaders Kyle Okposo, Zemgus Girgensons and newcomer Alex Tuch.  With the young talent on the roster, this shift works in so many ways.  Kyle, Girgs and Tuch are natural leaders (based on second hand info) that Casey, Dylan, Rasmus and essentially all the players can look to on how to behave like a professional.  I don't think the kids had this support system prior to this season with the old