The rare case of Sidney Crosby

Even if Sidney Crosby never played again, he'd belong in the shadows of the all-time greats. Bill Wippert/NHLI/Getty Images

Every year, NHL teams yearn for the top prospects, and it can sometimes feel like they are chasing the next great player -- the next Sidney Crosby. But the truth is that, while there's a good chance of finding an elite player in every draft, players like Crosby are rare.

But you know that, they know that, and everyone else does, too. That's why the hockey world is freaking out about Crosby's concussion, because a once-in-a-generation talent may never regain his top form. So we have to ask: How rare is a player like Crosby?