Andy Ruiz Jr's Comeback: From Champion to Cautionary Tale
Andy Ruiz Jr’s last stand begins a short drive from the place where his life once spun out of control.
Seven years on from that wild June night at Madison Square Garden, when a late-replacement underdog from Imperial, California, dropped Anthony Joshua four times and tore up heavyweight boxing’s script, the “Mexican Rocky” walks to the ring again on Friday in Newark. Same country, same coast, same weight of disbelief hanging over him. Very different stakes.
This time there are no belts. No shock factor. No mystery. Just a 36-year-old former champion, his body repaired, his reputation frayed, trying to prove that the greatest night of his career was not a one-off miracle but the start of a story he somehow lost the thread of.
From Mexican Rocky to cautionary tale
That first Joshua fight has already slipped into boxing folklore. Ruiz, drafted in on five weeks’ notice after Jarrell Miller failed a drug test, went off as an 11-1 underdog. He was meant to be a stay-busy opponent. A footnote.
Instead, he climbed off the canvas in the third round and dismantled the undefeated champion, his fast hands blurring through Joshua’s guard, his combinations landing with a thud that echoed around the Garden. When the referee waved it off in the seventh, Ruiz became the first heavyweight champion of Mexican descent and an overnight star on both sides of the border.
Imperial, the dusty agricultural town framed by the mountains and desert of south-eastern California, turned him into a folk hero. The “Mexican Rocky” label stuck. He toured late-night shows. He met Mexico’s president, Andrés Manuel López Obrador. Joshua triggered the rematch clause and Ruiz signed for a $10m guarantee. The money, the cars, the fame, the attention — all of it arrived at once.
It didn’t take long for it to swallow him.
Barely six months after his coronation, Ruiz was an ex-champion. His reign lasted 190 days and ended in the sand and wind of Diriyah, Saudi Arabia, where a focused, disciplined Joshua boxed his way to a one-sided points win while Ruiz trudged after him, 15lb heavier than in New York and miles off the pace.
At a 3am press conference that felt like a confession, Ruiz admitted what everyone had just seen. He had partied. He had cut corners. He had treated the rematch like a victory lap instead of a fight for his career. The regret was etched across his face.
Since then, the wilderness.
Three fights in more than six years. Long absences. Injuries. Weight fluctuations. False starts that made that night at the Garden feel like something that happened to a different man.
A final climb, one more giant
Now comes Damian Knyba at the Prudential Center, 10 miles from the arena where everything changed. A 12-round non-title fight. The first bout in a three-fight deal with Eddie Hearn. The first appearance since a majority draw with Jarrell Miller more than two years ago.
Knyba is enormous even by modern heavyweight standards: 6ft 7in, an 86in reach, 17-1 with 11 knockouts. He is also coming off his first professional defeat, a January stoppage loss to Agit Kabayel that still showed flashes of promise before it was waved off in the third. He’s based in New Jersey, and a loud Polish contingent is expected, the kind of crowd that once turned Tomasz Adamek into a Newark attraction.
For Ruiz, the size gap is familiar, almost comforting. At 6ft 1in, he has spent his career staring up at giants and punching through them.
“[Knyba]’s a giant,” Ruiz said this week. “That’s why they call me the giant slayer, because I’m always a small guy fighting these big, big guys. But for some reason it works for me.”
It has to work again. There is no soft landing here, no tune-up against a man with no business sharing the ring. Hearn has been blunt: if Ruiz truly wants to become heavyweight champion again, he has to beat this level of opponent. Anything less, and the conversation ends.
Back with the man who knew him best
The most persuasive argument that this comeback might be different stands in Ruiz’s corner.
Manny Robles, the trainer who guided him through both Joshua fights, is back after a messy split in the aftermath of the rematch. Their relationship had collapsed under the weight of success and distraction. Ruiz drifted, cycling through big-name coaches and short camps.
He joined Eddy Reynoso — famed for his work with Canelo Álvarez — for his 2021 return against Chris Arreola. He then moved to Alfredo Osuna for the 2022 win over Luis Ortiz. By the time he resurfaced against Miller in 2024, he admitted he was essentially training himself, “half-assing” it, as he put it, with “one foot in the water and one foot out”.
The reset started far from any gym, over piña coladas in Tulum. On holiday with his girlfriend, Ruiz scrolled through his phone, watched the heavyweight division move on without him and decided to swallow his pride. Slightly drunk, he messaged Robles on Instagram and asked if he would take him back.
Robles replied almost immediately. Yes — but only if Ruiz listened, focused and gave him “120%” of his time.
“I’m just happy that I reunited with Manny Robles,” Ruiz said in Newark. “Before with the other fights and the other opponents that I had, I wasn’t doing the right things that I was supposed to. [He] kind of woke me up, and that’s why we’re here now.”
Robles insists this is no quick-fix camp. He says they have spent virtually the entire year in the gym together, not just the usual eight-week sprint.
“This did not start two months ago or three months ago,” Robles said. “It’s been the entire year and it’s been great to get to this point. I’m glad to say I got the old Andy back, and he’s in great shape mentally, physically, spiritually. He’s in a good place.”
The scales backed him up. At Thursday’s weigh-in, Ruiz came in at 254.3lb, his lightest since a 2018 win over Kevin Johnson and almost 30lb under the career-high 283.7lb he carried into the Joshua rematch. Knyba weighed 255.5lb. Only a pound between them, six inches in height separating them.
For a fighter whose discipline has been questioned more than his talent, that number might be the most important statistic of the week.
Broken body, repaired belief
Ruiz’s absence has not been about indifference alone. His body has taken a beating.
He underwent surgery on his right knee in 2021. In 2023, he had an operation on a torn rotator cuff. When he fought Miller, he broke his right hand but refused to quit, grinding through all 12 rounds. He tried to let it heal without a procedure, then eventually went under the knife anyway. The stop-start recovery helped stretch his layoff to 762 days.
Away from the ring, he slowed down. He spent time with his five children. He worked on property developments with his Mexican-born father, the contractor who first took a hyperactive five-year-old Andy across the border to gyms in Mexicali and watched him learn to turn that restlessness into combinations.
Ruiz started going to church. With an estimated $17m banked from the Joshua fights alone, he did not need to fight. The hunger had to come from somewhere else.
He says it did. He says he became “tired of being tired” and “bored of being bored”. That’s the version he brings to Newark: not the man chasing his first fortune, but one trying to reclaim a sense of purpose.
A fractured division and an open door
The timing helps. Heavyweight boxing, for once, is wide open.
It took a quarter of a century to crown an undisputed champion after Lennox Lewis. Oleksandr Usyk finally did it in May 2024, outpointing Tyson Fury to collect all four major belts. Within two years, the division fractured again.
Usyk, now 39, vacated his remaining titles in June. The belts scattered: Murat Gassiev holds the WBA strap, Agit Kabayel the WBC, Filip Hrgović the IBF, Daniel Dubois the WBO. No dominant figure. No single road. Just multiple routes for a former champion with a name, a story and one of the defining upsets of the last decade attached to his record.
Hearn has not hidden the business logic in signing Ruiz, the same man who wrecked his heavyweight plans back in 2019 after Ruiz messaged him asking for the Joshua opportunity when Miller fell out.
“It’s a business decision,” Hearn said of the new deal with Matchroom. He believes the fast hands, the punching power, the durability — the qualities that turned Joshua’s New York debut into a nightmare — are still there. Combine that with Ruiz’s heritage and history, and the promoter sees a ceiling few heavyweights can match.
“If he gets this right and starts going through the division,” Hearn said, “he’s going to be one of the biggest stars in the sport.”
Win on Friday and Ruiz is back in the conversation. Title shots become realistic. A third fight with Joshua, once a fantasy, suddenly feels marketable, especially if Joshua comes through his expected November showdown with Fury.
Ruiz has already signalled his intentions in his own way, releasing a diss track that name-checks a string of heavyweight rivals. The ambition is not in doubt. The question is whether the body and the discipline can keep up.
How many tomorrows are left?
Knyba is the first hard answer. The New Jersey-based Pole insists his loss to Kabayel proved he belongs at elite level and says he expects the “most hungry and best version of Andy Ruiz” in front of him. The crowd will be loud. The opponent will be big. The margin for error will be thin.
For Ruiz, this is not about nostalgia. It is about relevance. He learned seven years ago that a fighter can waste only so many tomorrows before they disappear.
At 36, reunited with the trainer who once got the best out of him, lighter than he has been in years and staring up at another giant, he walks into Newark knowing exactly what is on the line.
The question now is not whether he can shock the world again. It is simpler, and harsher: how many big nights does Andy Ruiz Jr really have left?
