I think Zetterlund is also a notable exception. He's young and seems to be getting better despite still having some defensive lapses. i'm not expecting any miracles with Couture's return, but he should provide a needed boost.
Like Tack said, speed is the name of the game these days, but what the Sharks lack, apart from high-end talent, is consistency. Duclair is another one of those semi-talented players that seems to coast or has mental breakdowns during stretches of the game. Hence his relegation to the 4th line.
BTW Chicago placed both Bedard and Foligno on their IR. So hopefully the Sharks continue with their winless ways because Chicago is not going to win any more games for a while