If you play sports, sooner or later, you're going to get rocked.
The moment you step onto the field of play, you have signed a contract stating you are fully ready to be hit in the face, dunked upon viciously or otherwise abused by your fellow man.
Hopefully for you, the moment when you realized you were about to be posterized in the face or smoked with the ball wasn't slowed down, magnified and then put on YouTube.
These athletes weren't so lucky. The following slideshow is an ode to the athletes' faces prior to being dominated by the competition or smoked with a projectile.