We seem to be forgetting that we have a good striker in the squad, a striker who showed a lot of promise early on in his career before fading away; he's one of the most hard-working players we've had in recent years and whilst far from the best, he'll fight for his place in the team to prove everyone wrong. Just like he did with Genoa after failing that drugs test. Such desire and motivation can only be beneficial and you can guarantee that when called upon, he'll give his all.
On the other hand, we have Pippo and a few youth players capable of serving as backup. However, we'll be left with very few attacking options if both Huntelaar and Borriello leave, as we can't rely on Ibra, Pato and Pippo alone. I would, of course, like to see the likes of Verdi and Oduamadi receive game time in order to further develop but frankly, I don't think they're ready yet. Anyway, I wouldn't begrudge Borriello for wanting a move away to play regularly but whatever he decides, I thank him for his professionalism.