I think the most talented 6 Dmen in the organisation right now would result in: Provorov (23) - Gostisbehere (27) Sanheim (24) - Myers (23) Morin (25) - Högberg (22) Which would also give pretty good balance skill-set wise. Högberg has played quite a lot of games on both sides in his pro career as well. However, I doubt all six will be still in the organisation by 2020-21. And Friedman is not as talented in his own zone as Högberg for me, but is close in terms of overall talent, plus a righty. I would say Gudas is the only in-house "veteran" who is good enough to potentially hang around until then, he would be 30.