Defense position arguably takes the longest to develop, so I wouldn't write the potential off.
Add in another quality defenseman and that's quite a prospect team.
Oliver Kylington is already falling on the draft rankings... just for us to pick him.
DeKeyser(24y) - Marchenko(23y)
Ouellet(21y) - Sproul(22y)
"Kylington"(17y) - Jensen(24y)
Hicketts(18y)
I'm 100% sure we'll draft a lot of defencemen on the next draft. We need a new wave of D prospects (after those great 2011 pickups).
Forwards:
Nyquist(25y) - Larkin(18y) - Mantha(20y)
Tatar(24y) - Sheahan(23y) - Pulkkinen(23y)
Tvrdon(22y) - Athanasiou(20y) - Jurco(22y)
Bertuzzi(20y) - Glendening(25y) - Nastasiuk(20y) (would love this pain-in-the-ass -line!)
Nosek(22y) - Holmström(18y) - Callahan(23y)/Ferraro(23y)
Mrazek(23y) will be the next DOMINATOR 2.0 on goal.
Paterson(20y)
Average age of this kind of group would be 21.5 years. So their career peak would be somewhere at 27-29 age average. That would mean seasons 2021-24.