For those arguing against the targeting (or those that want to confirm it was targeting), go to this replay and use slow motion:
It clearly shows helmet-to-helmet. Also, at the 1:06 mark, another angle shows #22's right shoulder mostly misses and grazes Harrison's back as Harrison's head snaps to the right from the helmet-to-helmet shot.
Clearly textbook targeting.
View attachment 37773
He crouched and launched while leading with his helmet with forcible contact at the head area on a receiver attempting to catch a forward pass who did not have time to protect himself.