, the All Black revealed he has decided to retire from rugby after battling with symptoms brought on by his most recent concussion for more than a year.
England and Sale Sharks flanker Tom Curry is a doubt for the start of the 2022/23 Premiership season after suffering a third concussion in six months against the Wallabies last weekend.
The flanker controversially played on until half-time, having taken a blow to the head in the 14th minute when attempting to tackle
Announcing Curry's return home, the Rugby Football Union said: "It has been agreed that in the interest of player welfare and recovery, he will take no further part in the tour and return home for continuing assessment and ongoing management.
"He has travelled to Brisbane with the squad and will fly to England later this week."
The decision to stand Curry down from the rest of tour comes after he also suffered a concussion earlier in the season playing for England against Wales in the Six Nations.
Reports now suggest Curry may miss the start of the new season and will 'not be rushing back' in order to fully recover.
Below, we look at five rugby stars who were forced to step down, considered retirement or hung up their boots altogether due to concussion in 2021/22.
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Returned after lay-off
The All Blacks, who has twice been named world player of the year, was sidelined after taking a blow to the face during an attempted tackle on Ireland's Andrew Conway back in November.
The incident resulted in a nasty concussion, and the symptoms were so severe that the 30-year-old admits he considered hanging up his boots.
He told French publication, XV Mondial : “For two weeks, things have been much better. But throughout the off-season, I had migraines, 80 to 90 per cent of the time. Today, it tends to fade, they have become rarer.
“I will gradually resume contact training, I hope to play again in three weeks against the Chiefs. I thought it might be the end of my career. When you feel sluggish 99 per cent of the day, trying several ways to get better, but nothing works, you assume the worst.
“And then you hear about teammates who have to end their careers because of concussions, it’s more and more frequent. I thought it was my turn.
“You learn to get used to small headaches, a bit like a mild hangover. It’s very frustrating because when you wake up, in principle, you should feel refreshed and ready.”
#2. Sam Underhill (England) -Stepped down from rugby
Bath were in no rush to bring back the England flanker after he suffered his fourth concussion in two months against Leinster in late January.
After treatment, Underhill exited to the dressing rooms for a head injury assessment but he didn’t return to take his place back from his replacement, Josh McNally.
Commenting on the incident for BT Sport, ex-England No8 Lawrence Dallaglio said: “A lot these injuries come from the second or third tackler coming in and it’s Underhill, he gets his head in the wrong place.”
Commentator Alastair Eykyn added: “That is nasty in itself but he has only just come back from concussion problems and it was one of the reasons for his absence from the England Six Nations squad, so this will be a grave concern to club and country.”
He eventually returned in May.
#3. Eben Etzebeth (South Africa) - Just returned from lay-off
Toulon announced in early December that the imposing Springbok lockwill be stood down from rugby for a three-month period after suffering his third concussion of the year in the Test match against England, at Twickenham in late November.
Eben Etzebeth of South Africa during the Autumn Nations Match between England and South Africa at Twickenham Stadium on 20 November 2021. Photo: Tom Sandberg/PPAUK
The decision was made after taking specialist advice. This enforced rest plan fits with the the National Rugby League (LNR) concussion management protocol, the club said in a press release. If he comes back at the earliest opportunity, he should be ruled out until the end of February.
In the French club’s official statement, they said: “Rugby Club Toulonnais wishes Eben Etzebeth a speedy recovery.”
In what was an intensive Test programme in November, second-row Etzebeth played a total of 245 minutes on the recent Springboks tour.
#4.Dane Haylett-Petty (Australia) - Retired
The 32-year-old Haylett-Petty sustained a head injury in a Bledisloe Cup match against the All Blacks in October 2020 and was unable to play in the most recent Super Rugby season with the Melbourne Rebels.
The fullback, with 38 tests and 12 tries for the Wallabies, had made attempts to return to top-level action, but complained of lingering symptoms such as migraines.
"It's not the way I wanted to finish," Haylett-Petty posted on social media on Sunday. "I would have loved to run out just one more time, but it wasn't to be.
"Rugby has given me so much and for that I am forever grateful. The experiences, the opportunities, the challenges, and the lifelong friendships. Thank you to all the teams who gave me an opportunity, and whose jerseys I wore with pride."
That head knock, which came while playing for North Harbour against Bay of Plenty in the final round of the 2020 NPC, was one of many Hunt endured throughout his six-year professional playing career.
However, after having returned to action too soon more often that not, as he did in that match after sustaining a head knock against Waikato eight weeks earlier, concussion symptoms have lingered with Hunt 12 months on.
At its worst, those symptoms include “headaches, just being in a complete fog where you can’t think”, to the point where he “can’t handle any sort of noise or light”.
Truly worrying times for @BathRugby Sam Underhill. First game since suffering a concussion against Gloucester on Boxing Day and 15 minutes the backrower appears to have suffered a further one making a tackle. Great care needed.
#BATvLEI
The list is getting longer. Dane Heylett-Petty has just retired on medical advice at 32, because of the after-effects of concussion. Dillon Hunt has retired on medical advice at 26.
irishtimes.com/sport/rugby/ru… via @IrishTimesSport