Pay attention to international athletics enough and you start to realize that, hey, maybe there are more violent sports out there than football. Case-in-point: this über-violent rugby hit, courtesy of a bunch of New Zealand high school kids. To really, truly appreciate what happened, make sure you turn the volume all the way up.
That loud thwack? Bone-on-bone, no shoulder pads to speak of. Keep that in the back of your head next time you see a big hit during a NFL Sunday.