Because Norris' ceiling is Hamels. And who knows if Pompey ever becomes an everyday player.
Hamels and Papelbon help us NOW and for the next couple of years. Norris and Pompey MIGHT help us 2016 and beyond.
I mean, yeah I would much rather trade all the Vets on the team that are close to being FAs, but do you really see our front office doing that? No.