What the heck is going on with ... ?

It's official (and beating last year's nemesis, Willy Canas, only confirms it): Roger Federer is out of his funk.

But what about all the other slump-ridden players out there?

Whether it's caused by injuries, age, mental hang-ups or other players just figuring your game out, a slump can be a rough thing to try to get out of. Go here for a look at a few of the slump-ridden.