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How Andy Ruiz Pulled Off Boxing’s Biggest Upset

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Derek Johnson
5 min read

Breaking: Andy Ruiz Jr. changed heavyweight boxing on one wild night in New York. That blueprint is back in focus, and I am laying out exactly why it still matters, and how it guides game plans in today’s fights. Ruiz did not win by luck. He won with speed, calm, and smart choices under fire. The lesson is simple. Skill and belief beat size when the plan is sharp and the moment is not too big.

The night that shook Madison Square Garden

On June 1, 2019, at Madison Square Garden, Andy Ruiz Jr. stopped Anthony Joshua and took his belts. It was one of the biggest shocks in recent boxing history. Ruiz got dropped, rose steady, and answered with fast hooks that found their mark. He floored Joshua four times. The referee waved it off in round seven. Ruiz became the unified heavyweight champion and the first Mexican-American to claim that throne.

The picture of that night is clear in every gym. A shorter heavyweight, with quick hands and real nerve, bullied a taller star who looked lost at mid range. Ruiz never chased recklessly. He waited for Joshua’s straight shots, then beat him to the second and third punch. The Garden felt the shift from surprise to disbelief to respect. 🥊

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Why Ruiz won, and how the blueprint still works

Ruiz won with the basics done fast and on time. He stayed compact. He did not admire his work. He kept his feet under him and punched in tight lanes. He did not throw one shot. He threw in bursts.

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Hand speed and counters

Ruiz’s hand speed is real. He snapped short hooks inside Joshua’s long guard. When Joshua fired the right hand, Ruiz slipped slightly and sent back a left hook and a straight right. That exchange shaped the fight.

Feet and distance

He did not need long steps. He took small, smart ones. Ruiz kept his chest close enough to touch, which took away Joshua’s leverage. No panic. No wasted motion. Just enough pressure to make Joshua rush.

Composure after the knockdown

Many fighters fold after a knockdown. Ruiz grew. He kept his eyes clear and his mind quiet. He kept punching in rhythm, not in anger. That is a champion trait.

  • Tight guard, short counters
  • Punch in combinations, not singles
  • Control distance with small steps
  • Keep heart rate and mind steady
Important

The Ruiz model is not a trick. It is a system built on timing, compact form, and trust in combinations.

What Joshua changed, and what Ruiz did not

In the December 2019 rematch, Joshua boxed and moved. He used the jab, circled often, and did not trade at mid range. He won a wide decision. Ruiz came in heavier. His feet were slower. The windows he hit in June closed in December.

That shift matters. It shows the other half of the Ruiz lesson. If a bigger man stays disciplined, keeps the fight long, and refuses to square up, the smaller puncher must cut the ring with urgency and better conditioning. Ruiz did not do that in Saudi Arabia. His jab lagged. His entries were single and late. Joshua’s choices were simple. Jab, reset, repeat.

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What today’s fighters can take from Ruiz

Crossover names study that June tape. So do top prospects and veterans. The takeaways fit every division, even for stars who step up against bigger men or heavier punchers. You cannot pose and wait. You must make choices that stack up over rounds.

Here is how the Ruiz playbook translates now:

  1. Commit to inside pockets. Do not hang in the dead zone where a tall fighter is strongest.
  2. Chain counters. One shot is a question. Three shots are an answer.
  3. Manage your weight and camp intensity. Speed fades first when prep is sloppy.
  4. Keep your eyes quiet after mistakes. You will get hit. Win the next exchange.
Pro Tip

Train for fast recoveries between bursts. Ruiz did damage in 5 to 7 second windows, then reset with purpose.

This is the blueprint that can guide any ambitious fighter, including high profile crossovers looking up the ladder. The lesson is not about bravado. It is about repeatable actions that work under pressure.

The legacy, and what comes next

Ruiz’s upset is more than a highlight. It is a standard. Coaches hold it up when they teach combinations. Fighters point to it when they need belief. It changed how we talk about hand speed at heavyweight. It reminded everyone that courage needs craft. Ruiz took the belts with timing and trust in his style. Joshua took them back with discipline and patience. Together, those fights gave boxing a case study that still shapes corners and camps today.

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The story is not finished. Ruiz remains a factor when he is fit and focused. The lesson from 2019 still speaks. It says the ring is honest. It rewards the fighter who knows his identity, keeps his shape, and hits the gap before it closes. That night in New York proved it. The sport has not forgotten. Neither have I.

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Derek Johnson

Sports analyst and former athlete. Breaking down games, players, and sports culture.

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