The Las Vegas Hilton Pavilion played host to a bruising showcase of heavyweight boxing on 23 March 1979, as Larry Holmes successfully defended his WBC world heavyweight championship for the second time, halting Puerto Rican challenger Ossie Ocasio in the seventh round.

Holmes, weighing 214 lbs, entered the ring with an air of calm confidence, determined to prove that his sharp left jab was not his only weapon. Ocasio, a relative newcomer to the top table of heavyweight boxing at just 23 years of age and 207 lbs, had earned his shot after defeating Jimmy Young earlier that year. Yet, despite his ambition, he found himself outmatched against the champion’s measured precision.

From the opening bell, Holmes dictated the pace, standing tall behind his authoritative jab. Ocasio’s awkward crouching style, coupled with his bobbing and weaving, briefly troubled Holmes in the early rounds, but the champion adapted, gradually increasing the accuracy and power of his combinations. Holmes’s right hand, long identified as the punch that could unlock Ocasio’s defences, began to find its target with growing regularity.

The fourth round marked a turning point. Holmes doubled up on his jab, forcing Ocasio into uncomfortable positions. The challenger’s grin, ever present in the early exchanges, disappeared as the reality of Holmes’s dominance became clear. By the middle rounds, Ocasio was taking heavy punishment. In the sixth, his corner grew concerned, questioning his awareness as he absorbed a steady stream of jabs and right hands.

The end came in the seventh. Holmes, relentless yet composed, dropped Ocasio with a stiff jab, the first knockdown of the contest. Though the challenger bravely rose, he was soon felled again by a thudding right hand. Twice more he was sent to the canvas, Holmes timing his shots with clinical precision. After the fourth knockdown of the round, referee Carlos Padilla intervened, calling a halt at 2 minutes 38 seconds.

The official crowd of 5,376 paid $345,000 for the spectacle, while millions more watched on live television as Holmes pocketed $1.2 million to Ocasio’s $250,000. On the undercard, Ernie Shavers had earlier stunned the division with a devastating first-round knockout of Ken Norton.

For Holmes, the victory was more than just another title defence – it was an emphatic demonstration that his power could match his skill. Patient, accurate, and ruthless when the moment demanded, he left Las Vegas not just as champion, but as a heavyweight proving himself the complete fighter.