Ah, that can be solved with penalties for bad hits, just like there is a major penalty for face masking. Also, from what I can tell, the major hits are helmet-

Ah, that can be solved with penalties for bad hits, just like there is a major penalty for face masking. Also, from what I can tell, the major hits are helmet-to-helmet, so any purposeful infliction on one player may have an equal infliction on the other. Also, I wasn't proposing that this would have an immediate effect of taking a player out of an in-progress game (actually, re-reading what I wrote it kind of sounds that way), but I was thinking more post-game analysis, where the cumulative hits to the skull determines a player's eligibility to play (similar to if a player had a cracked rib or fracture in the spine, etc).