Cancelled Legendary Boxing Rivalries

Following their legendary 1981 fight, a rematch was scheduled for 1987 but was cancelled due to a disagreement over the purse split. Leonard claimed Hearns refused to meet the financial demands, leaving fans without a second meeting of two of the sport's greatest talents.

After their two epic battles, a trilogy was promised but repeatedly delayed. Frazier suffered a broken hand in training for the proposed third fight, and subsequent negotiations collapsed due to mutual animosity and conflicting demands, ensuring they never fought again.

While a second fight did occur, the initial planned rematch for 1996 was cancelled after Holyfield suffered a knee injury during training. The controversy surrounding the 1997 actual fight, where Tyson bit Holyfield's ear, overshadowed any sense of a fair resolution to their rivalry.

Before the eventual 2015 superfight, negotiations failed multiple times due to disputes over sanctioning bodies and money. It took years of legal threats and eventual settlement for the fight to happen, with many fans missing out on an earlier potential showdown.

Following their 2007 clash, a rematch was highly anticipated but cancelled due to conflicting promotional interests and scheduling conflicts. Mayweather was focused on boxing in Las Vegas while De La Hoya sought to promote fights in other venues, leading to the deal falling through.

After Duran's shocking 'No Mas' performance in 1980, a rematch was expected but never happened. Leonard retired briefly to pursue Hollywood roles and returned to boxing, while Duran moved up in weight classes, causing the rivalry to fade without a second fight.

After Chavez won by split decision, a rematch was scheduled but cancelled due to a dispute over the venue and sanctioning body. The fight eventually took place in 1994, but the initial cancellation highlighted the growing complexity of boxing politics in the early 90s.

Before the 'Rumble in the Jungle,' Ali and Foreman were initially slated to fight in the mid-70s but multiple dates were scrapped due to injury concerns and organizational issues. The eventual 1974 fight in Zaire was a historic culmination of a delayed dream match.

After Foreman knocked out Holyfield to win the heavyweight title, a rematch was planned but called off due to Foreman's age and training camp issues. Holyfield attempted to force the issue, but Foreman's camp successfully avoided the fight, preserving his legacy.

After a controversial draw in their first bout, a rematch was scheduled but cancelled due to promotional disputes between Top Rank and Golden Boy. The fight never materialized, leaving their rivalry unresolved and denying fans a clear winner in their early career battles.

After Pacquiao defeated Cotto, a highly anticipated rematch was discussed but never happened due to weight class differences and scheduling. Cotto moved up in weight and Pacquiao faced other obligations, resulting in one of the most talked-about unsequel matchups in modern boxing.

Originally scheduled as a professional debut for Fernandez, this match was cancelled due to Fernandez testing positive for a banned substance. The fight was rescheduled years later, but the initial cancellation highlighted the strict regulations surrounding professional boxing debuts.

Before the 2021 unification, several obstacles threatened the fight, including financial disputes and potential injuries. Although the fight eventually happened, early cancellations and negotiations were so fraught that many fans doubted a super-fight would ever occur.

After their 2017 draw, a rematch was delayed multiple times due to financial disagreements and Canelo's focus on other opponents. The eventual 2018 fight was controversial, but the initial delays allowed other top fighters to move into the conversation.

Joe Louis, the heavyweight champion, was expected to fight James Braddock, but the fight was cancelled due to Braddock's declining form and the political climate of the 1930s. Louis went on to defend his title against other opponents, leaving this matchup as a historical footnote.

Though Marciano retired before Frazier's prime, negotiations for a fight were briefly discussed in the late 50s. The fight never materialized due to Marciano's retirement and Frazier's subsequent rise, creating a legendary 'what if' for boxing historians.

After Lewis lost the heavyweight title to Moorer, a rematch was highly anticipated but cancelled due to Lewis's injury concerns and promotional hurdles. Lewis regained his momentum and eventually fought other top contenders, leaving the Moorer rematch as a missed opportunity.

After their 1992 duel, a rematch was planned but cancelled due to Bowe's legal issues and subsequent retirement from boxing. Holyfield remained active, but the lack of a second fight left their rivalry incomplete and fans wondering who would have won.

After their 2001 fight, a rematch was discussed but cancelled due to financial disputes and the fighters' different weight classes. The fight never happened, denying fans a chance to see how their styles would match up in a second, potentially more decisive bout.

Promoted as a major matchup, the fight was cancelled due to Khan's failure to meet financial requirements and subsequent withdrawal. The cancellation highlighted Mayweather's meticulous selection process and left Khan without a major payday against a top-tier opponent.