Sometimes you're so focused on avoiding injury at the hands of your opponents that you forget that your own teammates can sometimes deliver a knockout blow.
That's precisely what happened to Lyon's Stephen Brett, who found himself face down on the turf after being caught right on the jaw by the wayward boot of Waisale Sukanaveita.
The former Crusaders fly-half was stretchered off after a significant delay in proceedings when Lyon faced Brett's former club Bayonne on Saturday night.
We're hoping for a speedy recovery for the New Zealander.
Full video below:
https://www.youtube.com/watch?v=GSjpm7M2e-M
