VIDEO: Sammy Watkins drops passes in impossible, hilarious practice drill

The Buffalo Bills didn't trade up to draft Sammy Watkins because he has eyes in the back of his head.

That's a good thing, because it turns out Watkins isn't very good at catching passes when he's looking in the opposite direction from where the ball is coming:

What's the point of this drill, anyhow? Perhaps it's to teach reflexes, but surely there are more productive - but less hilarious - ways to accomplish that.