Conrad Smith took a heavy blow after getting his head caught in the wrong position in an attempted tackle on Blue Bulls centre JJ Engelbrecht.
The replay of the collision at around 0:52, showing Smith's head getting whipped backwards onto the turf is pretty scary.
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[youtube http://www.youtube.com/watch?v=J5ye_bJnjYI&w=560&h=315]
Smith has recovered from the knock that left him unconscious for almost a minute but his future is less than certain.
The Wellington and All Blacks outside centre failed a concussion test during a match as recently as six weeks ago and Smith did acknowledge at the time that he would have serious concerns if such knocks became a regular occurrence.
(H/T Aotearoa628)
