American professional boxer Rocky Marciano is the only heavyweight champion to be undefeated from start to finish. In addition to being one of the best punchers ever, he boasts a record of 49 victories, 43 knockouts, and 0 losses.
Julio is a Mexican professional boxer who has won three different weight divisional titles and has a record of 107 wins, 80 knockouts, and 6 losses. He has not lost a fight in ten years and is regarded as one of the toughest fighters in Mexico.
American boxer Mike Tyson, also known as "Iron Mike" and later "The Baddest Man on Planet," is regarded as one of the all-time great heavyweight fighters. He has a record of 50 victories, 44 knockouts, and 6 losses. Before Muhammad Ali, he was the most well-known boxer in the world.
American professional boxer Jack Dempsey is regarded as one of the sport's most exciting fighters. His stats include 66 victories, 51 knockouts, and 6 losses. Due to his aggressive fighting style, many of his fights were financially successful, and he also had the first million fights in his career.
Jack Johnson, nicknamed "Galveston Giant," was the first Black American world heavyweight boxing champion for more than 10 years. He used to humiliate his opponents by knocking them unconscious. People hated him, although he was one of the most famous American Africans with 73 wins, 40 knockouts, and 13 losses.
Sugar Ray Robinson is the third-longest professional boxer, holding the welterweight and middleweight titles from 1946 to 1951. Robin has 173 wins, 109 knockouts, 6 draws, and 2 no-contests. He's the greatest fighter in 80 years.
Muhammad Ali was a famous American boxer. He began his career at 12 and won the light heavyweight gold medal at 18. He has 56 wins, 37 of which were knockouts. He became a Muslim in 1961. Actor and author, he wrote two memoirs.
Joe Louis, known as "The Man Who Beat Hitler," was a professional boxer from 1934 to 1951. Joe is the first African-American to become a national worldwide hero. He's won 66 matches with 52 knockouts. In WWII, he was the center of anti-Nazi sentiment.