Boxing has been an interesting sports for centuries. It has been existing long before the reign of "Alexander the great" and the origin of the formidable "roman empire". The earliest evidence of boxing dates back to Egypt around 3000 BC, quite a long time. The sport was introduced to the ancient Olympic Games by the Greeks in the late 7th century BC, when soft leather thongs were used to bind boxers' hands and forearms for protection.

For centuries this sport has been an interesting aspect of entertainment. It is actually a sport for real men who have guts!. Quite a number of professional fighters have made history that nothing can erase. When they had their backs on the ropes, the world felt their greatness.

Below are the top greatest professional boxers of all time. They fight like beast- knock opponents out like meal.  

Sugar Ray Robinson

Sugar Ray Robinson was the best pound-for-pound fighter in history. He won 126 straight fights to begin his career. He was a very ruthless fighter. He became the first boxer to win a divisional world championship five times and was named “fighter of the year” in 1942 and 1951. Robinson was the most complete fighter to ever take the ring, dominating the competition throughout his career.

Muhammad Ali

Muhammad Ali was the first boxer to win heavyweight championship of the world three times. He called himself "the Greatest" of which nobody could deny the facts. He’s one of the most significant and celebrated sports figures in American history, with many regarding him as the greatest heavyweight boxer of all-time.

Ali became an icon figure in the civil rights movement after he refused to serve in the United State armed forces During the Vietnam War. He was a very intelligent and skillful fighter. To many, Ali is the definition of a champion.

Joe Louis

Joe Louise was the world heavyweight champion from 1937 to 1949, the tittle he held for over 140 months, successfully defending it a record 25 times. He was nicknamed by fans as “Brown Bomber” due to his punching power. He was one of the most popular champions of all time. 

Rocky Marciano

Rocky Marciano is the only heavyweight champion in boxing history to retire with an undefeated record. He fought 49 matches with 43 knockouts without loosing any. He was a problem to all fighters that came his way. 

Mike Tyson

Mike Tyson was the youngest heavyweight champion in the boxing history. He won his first 37 fights before being upset by James "Buster" Douglas in 1990. He was convicted in 1992 for a rape case and served three years in prison. He won two titles upon his return but lost to Evander Holyfield in rematch. He was a very ruthless and a celebrated fighter but his attitude outside the ring brought lots of smudge marks to his name.

Henry Armstrong

Henry Armstrong was one of the first boxers to simultaneously hold world titles at three different weights. He held those three titles when there were only eight recognized divisions as at then. Armstrong faced 17 world champions throughout his career and defeated 15 of them. After winning the World Welterweight Championship in 1938, He defended his title 18 times -which is pretty much a record, before eventually dropping it in 1940.

Roberto Duran

Roberto Duran was a boxer from Panama. He had a career that spanned over 50 years. He was seemingly an unstoppable lightweight who dominated his competition all through his career, winning several world championships in four different weight classes: lightweight, welterweight, light middleweight, and middleweight. He was famous for his versatility, technique, and ability to create pressure in a fight. 

Sugar Ray Leonard

Seven-time champion Sugar Ray Leonard fought the best boxers of his era, beating each and every one of them. Among those he beat are some huge names: Wilfred Benitez, Tommy Hearns, Marvin Hagler, and Roberto Duran. Over a 20-year career, Leonard won world titles in five weight divisions, the lineal championship in three weight divisions, and the undisputed welterweight title.
Leonard was named “Boxer of the Decade” in the 1980s, earning more than $100 million in purses over the course of his career. Leonard won an Olympic gold medal in 1976 and is widely regarded as a top-10 boxer of all-time.