The Australian boxer Dwight Ritchie died at the age of 27 years after an accident in training.
The three-headed father quarreled today with Michael Zerefa when he collapsed after a body shot had returned to his corner and could not be revived.
Former super-welterweight Ritchie prepared for his duel with Tommy Browne in Melbourne on December 6 and advanced to light middleweight.
Its promoter Jake Ellis confirmed the tragic news in the social media.
Ellis wrote: "It is with great sadness and shock to announce that the fighting cowboy Dwight Ritchie has sadly passed away today and has done what he loved.
"As Dwight's patron and friend, it's unbearable to accept the tragic news that has just surfaced.
"Dwight will always be remembered by the Boxing Brotherhood as one of Australia's most intelligent talents whose fighting style embodied his life.
"RIP cowboy, you'll be missed forever."
Dwight Ritchie dies at the age of 27
Date of birth: 02/29/1992
Nickname: The fighting cowboy
classification: Super welterweight
Professional background: 19-2
Last fight: Lost by UD against Tim Tszyu
And others went to Twitter to pay tribute to the Aussie, which was clearly popular with its peers.
Australian boxing colleague Luke Jackson tweeted: "Today we lost our own.
"I remember making my professional debut on Dwight's card, sending my love to his family, my loved ones, and the whole Australian boxing, RIP Dwight Ritchie."
Boxing commentator Ben Damon added, "Confirmation of the heartbreaking news that Australian boxer Dwight Ritchie died today after a training accident, he was 27. RIP Cowboy."
& # 39; The Fighting Cowboy & # 39; had a professional boxing record of 19: 2, lost his last fight against Tim Tszyu in August and missed the IBF Australasian Super Welter title.
Tszyu posted on Facebook: "Today we lost a champion in the ring and outside the ring with the tragic death of Dwight Ritchie.
"As a group, we are all shaken, our thoughts and prayers go to the Ritchie family as we all take a moment to remember a great warrior and champion, gone too early."
He grew up in Shepparton, Victoria, and has twice overcome cancer as a baby, at the age of six months and then a year later.
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In August, Ritchie said, "I can not imagine the pain my mother and Nan have suffered in all the to and fro trips to doctors in Melbourne.
"Thankfully, there's no sign that it's coming back since."
Team Ellis Boxing has set up a Go Fund Me page to raise some £ 27,000 to financially support the three children he leaves behind.