Kambosos initially came in .36 pounds over the 135-pound (61.2kg) lightweight limit. He stripped down completely and jumped on the scales for a third attempt to make weight behind a collection of towels, only still to come in above the limit.
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Kambosos' failure to make weight sparked heated scenes, with the two fighters coming face-to-face as their respective camps exchanged words around them, the emotions threatening to boil over as both jeers and cheers rang out from the small but vocal crowd at Margaret Court Arena.
UPDATE: Kambosos returned after 75 minutes had elapsed and made weight. He then claimed he missed weight on purpose to mess with Haney’s mindset.
By Ray Wheatley – World of Boxing
George Kambosos Jr 135.36* vs. Devin Haney 135
(WBC, WBA, IBF, WBO lightweight titles)
Kambosos had to strip naked and was still .36 pounds heavy. He has two hours to lose the excess poundage.
Jason Moloney 117.75 vs. Aston Palicte 117
Junior Fa 268.5 vs. Lucas Browne 261
Andrew Moloney 117 vs. Alexander Espinoza 116
Hemi Ahio 255.5 vs. Christian Tsoye 256.25
Venue: Marvel Stadium, Melbourne, Australia
Promoter: Top Rank
TV: ESPN, ESPN+
The Australian fighter, who holds the WBO, WBA, IBF and The Ring titles, then returned to the stage just over an hour later -- he had two hours total to come in under 135 -- and recorded the official weight of 134.49 pounds, making Sunday's fight official.
With the crowd behind him, Kambosos then did his best to make light of the situation.
"Art of war, deception, maybe I did it on purpose," he said.
"This changes nothing. Art of war, deception, bring it on. I'm ready."
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Saturday, June 4, 7:30 p.m. ET on ESPN+: George Kambosos Jr. vs. Devin Haney undercard
Saturday, June 4, 9 p.m. ET on ESPN and ESPN+: George Kambosos Jr. vs. Devin Haney, 12 rounds, for the undisputed lightweight title
Haney earlier had weighed in at 134.92 pounds.
Sensing the opportunity to land a prefight psychological blow, Haney was keen to pile onto Kambosos' earlier error.
"I said he ain't s---, he ain't made weight," Haney said after being asked what he had told Kambosos when the two fighters had squared up on stage.
"I knew what I had to do, I made weight, and I'm a true champion.
"I mean, he's sucked up, he's dry. I don't know, it is what it is. We've still got to go in there and fight. But I'm a true champion, and true champions make weight."
Haney was also buoyed by Friday's news that his father and trainer, Bill Haney, had been granted a late visa to enter Australia, allowing him to be ringside for Sunday's fight.
After all, Kambosos holds three recognized lightweight world titles, winning them from Teofimo Lopez in a shock upset last November at New York’s Hulu Theater.
So why is it still a question?
Well, let’s take one part of that last thing, because if you ask some people, Kambosos won “four world titles” at “Madison Square Garden.” That sort of distinction between reality and boxing promotion is related to why it’s still fair to ask. Kambosos legitimately beat Teofimo Lopez, but we all know that the devil is in the details, and that there is a lot more to a lot of things in this sport — which is real but borrows the carny promotion of professional wrestling to make everything “bigger” and “better” to its marks beloved and loyal fan base, at least ahead of time. If something winds up as bad as the non-promoters predicted, hey, on to the next town with the next show!
Kambosos (20-0, 10 KO) turned pro in 2013 at the Croatian Club in Punchbowl, Australia, having taken up the sport at age 11 in a somewhat familiar story, that he had been bullied and he was brought to the sport by his father. He was also a rugby league player, and chose to pursue boxing seriously, going that route over his other sporting endeavors. He had an amateur career, though he wasn’t some super high-level amateur, and he didn’t turn pro with fanfare, hype, or a blue chip pedigree.