Last chance to really, seriously prove himself as a great player. Maybe go for a Balon d'Or if that's his thing. We could get a Champions League out of it. We'd still more than likely walk the league. Lots of upside.
Potential risk is that he isn't motivated, plays when he wants, goes to Brazil when he wants and we can't shift him next summer because he's on insane wages.
I'd like to think he's still got the hunger to prove himself. A few years of him actually applying himself under Pep, a good World Cup run and he could end up going down as one of the greats, like most of us thought he would. Up until now, he's just sort of peaked early and pretty much wasted away.
Hypothetically, of course, because the chances of this happening are still pretty slim.