Jonah Hill was the host of this weeks episode of 'Saturday Night Live' and he joined Andy Samberg in the latest digital short.  They used to power of science to see what happens when a tennis ball hits a man below the belt.

One of the best digital shorts of 2012, Jonah Hill (and his groin) took a bit of a pounding thanks to Andy Sa,ber, Bobby Moynihan and oddly enough, John McEnroe. We love us some science, so whenever anyone decides to hit us with some knowledge, we are all for it.