Ryan Crotty's sister has voiced her concerns over the All Black's concussion problems after the midfielder was knocked out during the first Bledisloe Cup test against the Wallabies in Sydney.
Crotty was involved in a head clash with fellow midfielder Jack Goodhue 12 minutes into the match and was taken off the field.
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All Blacks coach Steve Hansen confirmed the centre wouldn't play next week.
"He's [Crotty] been knocked out so he won't play next week."
Shea Crotty, a top basketballer, took to Twitter to share her concerns with the ongoing head issues.
She tweeted: "I want to see my brother grow old and able, not battling the brain forever."
Crotty has suffered six concussions in the past 15 months, including during Super Rugby games in March and May this year.
Newshub.
