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Tony Bellew Calls Prime Mike Tyson the Most Ruthless Fighter Ever

Bellew points to the 91-second Spinks demolition in 1988 as proof Tyson was a 'perfect machine' — over Duran, over everyone.

By FightSplit Editorial Team · Published Aug 21, 2026

Mike Tyson in his prime during a heavyweight bout in the late 1980s
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Tony Bellew isn't hedging. Asked to name the most ruthless boxer he's ever seen, the former cruiserweight world champion skipped past the usual suspects and landed on one man: Mike Tyson circa 1986-88. Not the comeback version, not the ear-biting chaos — the prime that made him the youngest heavyweight champion in history at 20, ripping the title off Trevor Berbick with a second-round stoppage in 1986.

The reference point Bellew keeps coming back to is June 1988, when Tyson needed 91 seconds to dismantle Michael Spinks. This wasn't a soft touch. Spinks had beaten Larry Holmes twice on points, and Tyson had already stopped a faded Holmes in four rounds earlier. Bellew's take: he's never seen a more ruthless heavyweight in his lifetime, and possibly not in the history of the sport.

Why Not Duran?

It's a fair question, because when the conversation turns to boxing's most vicious operators, Roberto Duran usually gets the first shout. 'Hands of Stone' went undefeated through 1980, capped by outpointing Sugar Ray Leonard for the WBC welterweight title in one of the era's defining wins. He became a four-weight world champion and stayed an intimidating figure even after the eighth-round 'No Mas' loss in the immediate Leonard rematch.

Bellew's argument isn't that Duran wasn't terrifying. It's that Tyson operated on a different frequency. He described that version of Tyson as a perfect machine — the speed, the ferocity, the variety of punches, the head movement, the footwork all clicking at once. Few heavyweights in any era have combined that skill set with that level of bad intent.

The Spinks night is Bellew's smoking gun for a reason. He argues Tyson had the fight won before the first bell, spooking a legitimate, dangerous opponent into freezing. Speaking with Fight Your Corner, Bellew said he's simply never seen anything like it. When a fighter can beat a man mentally and then physically inside a round, the debate about ruthlessness tends to end quickly.

None of this is new mythology — it's a working boxer's read on tape, and Bellew's ranking tells you what still holds up almost four decades on. Duran's résumé earns him a permanent seat at the table. But for pure, cold menace packed into a two-minute window, Bellew's vote goes to the man who needed less than a round to end Michael Spinks.

Mike TysonTony BellewRoberto DuranMichael SpinksHeavyweight

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