How Sonny Liston Really Trained

He wasn’t just powerful he was terrifying.
In this in-depth documentary, we explore the brutal and raw training methods of Sonny Liston, one of the most feared heavyweights in boxing history. From his punishing workouts in prison to his legendary jab that felt like a cross, Liston’s approach to training was unlike anything today’s fighters go through.

Forget cryo chambers and sports science. Liston built his strength with bare-knuckle sparring, improvised weightlifting, and sheer willpower. He didn’t train to compete he trained to destroy.

In this video, we break down:
Liston’s prison-born training foundation
His freakish strength and terrifying conditioning
The truth behind his knockout jab
Why modern fighters couldn’t survive his routine
How his mindset turned pain into power

Whether you're a hardcore boxing fan or just love learning how legends were built, this is the real story behind Sonny Liston’s monster training.

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