Boxing mega-fights between two renowned fighters are rare occurrences, often generating immense anticipation and excitement in the lead-up to the event.

Certain matchups have delivered unforgettable moments, becoming legendary bouts that leave an indelible mark on the sport, both in terms of financial success and historical significance.

However, not all mega-fights live up to the expectations. Occasionally, certain stylistic clashes fail to produce the fireworks expected, leading to a rather underwhelming spectacle.

Another unfortunate scenario arises when two boxing icons face off, but the timing isn't ideal. If the bout occurs later in their careers, well past their prime, it may not showcase the same skill and intensity that made them legendary in the first place.

Such matchups are particularly disappointing because they miss the opportunity to witness these athletes at their absolute best.

3 Boxing Megafights That Happened Too Late

1. Larry Holmes vs. Muhammad Ali - October 2, 1980

The 1980 bout between Larry Holmes and Muhammad Ali remains one of the most tragic moments in boxing history. It was a stark reminder of the unforgiving nature of the sport and the fleeting brilliance of even its greatest champions.

By 1980, Ali's physical condition had deteriorated significantly. Once renowned for his speed, agility, and unmatched boxing intellect, the Ali who stepped into the ring against Holmes was a shadow of his former self.

In contrast, Holmes was at the peak of his powers. A formidable champion in his own right, he possessed a potent blend of speed, power, and technical proficiency.

The matchup between Ali and Holmes was a stark mismatch. Throughout the bout, Holmes dominated, landing punches at will against "The Greatest" en route to a 10th round referee decision to stop the fight.

It was a heartbreaking sight for boxing fans worldwide, watching the once-invincible Ali absorb punishment in a contest that should never have taken place.

2. Lennox Lewis vs. Mike Tyson - June 8, 2002

The highly anticipated showdown between Lennox Lewis and Mike Tyson in 2002 was touted as one of the most hyped fights in history, and it had all the ingredients of a blockbuster.

However, Tyson's career had been on a downward trajectory since his infamous ear-biting incident against Evander Holyfield in 1997.

Despite an undefeated record against relatively weaker opponents after the incident, Tyson's performances lacked the explosiveness and skill that had once defined his prime years.

In contrast, Lewis was at the pinnacle of his career, showcasing his technical prowess and strategic acumen.

The British heavyweight expertly dismantled Tyson's early aggression, utilizing his superior reach and jab to keep the relentless challenger at bay.

As the rounds progressed, Lewis systematically broke down Tyson, landing devastating hooks and uppercuts before finally claiming a KO win in the eighth round.

3. Floyd Mayweather Jr. vs. Manny Pacquiao - May 2, 2015

Floyd Mayweather and Manny Pacquiao stood as the undisputed titans of boxing by the late 2010s. Pacquiao had ascended to the pinnacle of the sport by 2008, recognized as the premier pound-for-pound fighter, known for his relentless offensive prowess.

In contrast, Mayweather had built a reputation as one of the greatest defensive maestros in boxing history, maintaining an impeccable undefeated record.

By 2009, the boxing world was abuzz with talks of a potential showdown between the two legends. However, negotiations proved to be tumultuous, marred by disputes over the purse split, drug testing protocols, and other logistical challenges, ultimately leading to the cancellation of the highly anticipated bout.

The much-awaited clash eventually materialized in 2015. By then, the narrative had shifted slightly, with Pacquiao coming off a devastating knockout loss to his longtime nemesis Juan Manuel Marquez.

Nevertheless, the magnitude of the event was unparalleled. The Mayweather-Pacquiao showdown shattered records, becoming the most financially successful bout in boxing history.

The pay-per-view earnings soared to a staggering $410 million, with both fighters collectively pocketing an estimated $300 million.

However, the fight itself was generally underwhelming, with Pacquiao unable to land his offensive scheme against Mayweather. The Filipino legend also nursed a shoulder injury which hindered his mobility.

On the other side, Mayweather adhered to his tried-and-true defensive tactics, opting for a cautious approach that prioritized safety over spectacle.

The culmination was a bout that, while historic in terms of financial success, left many fans and pundits disappointed due to its lack of action and entertainment value.

Mayweather won the match via unanimous decision, 116-112, 116-112 and 118-110.