It was "horrific" for Manly's Sean Keppie to watch replays of himself, clearly concussed from a head knock, stumbling to defend in last season's NRL preliminary final against South Sydney.
Referee Ashley Klein's oversight in allowing play to continue for almost 50 seconds -- after Keppie went in for a tackle on the Rabbitohs' Mark Nicholls but caught a hip to the head -- was a flashpoint for player safety.
