He's incredible. But given his age, his injury history (How many seasons without injury does he have?), and his other issues, there's a big risk. I think he's far more likely to decline early than most. And he can't stay healthy now.
It would be a risk, no doubt. His addiction issues are a very big concern. But with the talent he has, I roll the dice. Its a pipe dream though. I doubt he gets anything less than a 5 year deal. If I'm Cashman I start to gauge the market on Cano. I think he would fetch a nice return.