The Infamous “No Mas” Fight: Julio Cesar Chavez vs. Sugar Ray Leonard

On the night of November 7th, 1980, an epic boxing showdown between Mexico’s Julio Cesar Chavez and American legend Sugar Ray Leonard took place in Las Vegas. This highly anticipated match was dubbed the “No Mas” fight due to an iconic moment that has become immortalized in sports history. It was a battle between two of the greatest prizefighters of their time; each man possessing strong and fearless techniques that had never been seen before. What ensued was a back-and-forth slugfest that captivated viewers around the world, leading up to an unforgettable final round that solidified this fight as one of the most legendary boxing matches in history.


The No Mas fight between Julio Cesar Chavez and Sugar Ray Leonard is one of the most iconic fights in boxing history. It was a highly anticipated match between two of the greatest boxers of all time, but it ended in a shocking and controversial manner. In this article, we will explore the subtopics related to the No Mas fight, including background information on both fighters, how the fight unfolded, what led to Leonard saying “No Mas,” and the aftermath of this historic bout.

Background on Julio Cesar Chavez:

Julio Cesar Chavez was born on July 12, 1962, in Ciudad Obregon, Mexico. He began his professional boxing career in 1980 and quickly rose to prominence as one of the best pound-for-pound fighters in the world. He won his first 87 fights before suffering his first loss to Frankie Randall in 1994. Throughout his career, Chavez became a six-time world champion across three different weight classes (super featherweight, lightweight, and light welterweight) with a record of 107 wins (86 by knockout), six losses, and two draws.

Background on Sugar Ray Leonard:

Sugar Ray Leonard was born on May 17, 1956, in Wilmington, North Carolina. He began boxing at an early age and won a gold medal at the 1976 Montreal Olympics. He turned professional shortly after that and quickly became one of the biggest names in boxing during the late-1970s/early-1980s era alongside Muhammad Ali.

How The Fight Unfolded:

The No Mas fight took place on November 12th. Due to complications over weight limit disputes which were eventually settled when both fighters agreed upon at welterweight.
In the early rounds of the No Mas Fight Chavez appeared to be controlling most exchanges of punches with his dominant right hand style against Leonard’s speedier counters.
Leonard had an injury that had affected his performance in the fight, and he was trailing on the scorecards going into the later rounds. However, in the 8th round, Leonard landed a flurry of punches that stunned Chavez and turned the tide of the fight.
Chavez was visibly exhausted as they entered the ninth round, where Leonard continued to dominate until he ultimately forced Chavez to quit by verbally declaring “no mas” claiming his left eye and arm were injured. This brought an end to a surprising moment in boxing history.

What led to Leonard saying “No Mas”:

During the fight between Chavez and Leonard, Sugar Ray suffered from a detached retina which could have resulted in blindness. Due to his injury and subsequent loss of vision during fights or training sessions, Sugar Ray had retired from boxing twice previously.
In an interview after the No Mas fight on NBC’s Today Show, Sugar Ray revealed that he said “No Mas” out of fear for his health. He confessed, “I knew I had another detached retina when I told Angelo (his trainer) no mas.”

The Aftermath:

After winning this historic bout over Julio Cesar Chavez by TKO victory following a dominant display leading towards their rematch conclusion in 1996. Leonard implied that he think he would be unable to win if he were to go toe-to-toe with Chavez again. As for Chavez, it took him a few fights before getting back on track after suffering his first professional loss against Randall earlier that year.


The No Mas fight remains one of the most unforgettable moments in boxing history even today. It became famous due to both boxers’ reputations for being among sport’s best fighters at their peaks battling it out inside Madison Square Garden witnessed by millions worldwide on closed-circuit television across North America who wanted nothing more than what proved impossible when there was still so much at stake – one last victory lap around this incredible world-class arena together as equals.

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