Rocky Marciano never lost as a professional in 49 fight winning 43 by KO or stoppage.
Muhammad Ali first fight he lost was in 1971 he lost to American boxer Joe Frazier that match also lost him the tittle of heavyweight champion of the world.
olympic gold medalist pete rademacher, when he fought Floyd Patterson in 1957.
The Fighting Marine Gene Tunney, considered the greatest light heavyweight of all time my many fans and experts alike.
It is the boxer Mike Tyson.
Frank Bruno is a British boxer. He was born November 1961. 1995 was the year he won the heavyweight title fight; however he lost the title six months later.
oliver mccall by tko in the 2nd round where he lost the wbc heavyweight title
Floyd Money Mayweather why? Because he hasn't lost and he will never lose. He will be the only boxer that retires undrafted.
Rocky Marciano holds the record for the longest undefeated streak by a heavyweight and for being the only world heavyweight champion to go undefeated throughout his career. This record was challenged by Larry Holmes in 1985 when Holmes went 48-0 before losing to Michael Spinks twice. Light heavyweight Dariusz Michalczewski also challenged Marciano's record when he was 48-0, but lost to Julio César González in his 49th fight. Julio César Chávez holds the record for longest win streak with eighty-eight straight until he suffered a draw in 1993. Heavyweight Brian Nielsen tied Marciano's record but lost his 50th fight against Dicky Ryan. Willie Pep, a featherweight, had a perfect 62-0 record before he was defeated once, followed by a 72-0-1 undefeated streak. Packy McFarland was a lightweight (fighting between 1904-1915) who lost his first fight and then won his next 98, though he never won the lightweight title. Heavyweight champion Gene Tunney never suffered a defeat at heavyweight and retired as champion, although he did lose one fight at light heavyweight.
Luke Capuano is a former professional boxer who won 21 and lost 5 bouts, 20 of his wins by knockout. He lost a ten round decision to former world Light Heavyweight Champion Mike Rossman.
Kimbo Slice is no longer part of the UFC roster. He used to fight in the UFC but left them in 2010. He is currently a professional boxer. He had only one fight in the UFC which he lost. The fight was at UFC 113 against Matt Mitrione which he lost by TKO. He did not fight for UFC again after that.
In the boxing context Tommy Burns was a world heavyweight champion who was the first white boxer to agree to fight a black boxer for the world title. On Boxing Day 1908 he lost his title to Jack Johnson who became the first ever black heavyweight champion of the world. Johnson was not the first black champion as many books say. tHAT HONOUR GOES TO First Black man to win a world boxing title; held three world boxing titles: paperweight, bantamweight and featherweight; invented shadow boxing and the suspended punching bag; fought in the world's longest fight.
As a professional boxer, he won 50, with 44 by knockout or stoppage he lost 6, 5 inside the distance and he had two no contests.
Laila Ali never lost a fight her record is 24-0.
Vitali Volodymyrovych Klitschko, nicknamed Dr. Ironfist, is a heavyweight Ukrainian professional boxer who counted 41 knockouts in his professional boxing career. He only lost 2 out of 47 games.
Lesnar has lost 3 of his 7 fights in the UFC. His losses were against the following 3 fighters: a. Frank Mir - His first fight in the UFC b. Cain Velasquez - Lost the UFC Heavyweight Title c. Alistair Overeem - Retired after this fight He retired due to health issues after a UFC Career with 4 wins and 3 losses. He is also a one time UFC Heavyweight Champion.
He never lost a fight, 49 and 0.
December 11, 1981 was Ali's final fight as a professional boxer. He lost a unanimous decision to the late Trevor Berbick.
General Lee lost a lot of troops and he said "I will never fight the North again."
Actually No. Lesnar has lost 3 of his 7 fights in the UFC. His losses were against the following 3 fighters: a. Frank Mir - His first fight in the UFC b. Cain Velasquez - Lost the UFC Heavyweight Title c. Alistair Overeem - Retired after this fight He also won 4 fights in the UFC including his win against Randy Couture which made him the UFC Heavyweight Champion.
Either he was knocked out or lost on points.
Lesnar lost his UFC heavyweight championship to Cain Velasquez at UFC 121. Velasquez won the fight via TKO in the first round to win the title. After Velasquez won the title, he lost it to Junior Dos Santos at the UFC on Fox - 1 event. He regained the title back at UFC 155 and is the current reigning UFC heavyweight champion.
Cus d'amato coached Floyd from the start till he captured the Olympic gold and the heavyweight championship belt. Patterson left Cus d'amato when he lost in the second fight to Sonny Liston.
After his light heavyweight fight with Harry Greb in 1922, the only fight he lost as a professional. By the end of the Greb fight, a 15 round unanimous decision loss, Tunney had suffered a broken nose and had both eyes swollen shut.
Muhammad Ali's final fight was a 10 rounder against future WBC heavyweight champion Trevor Berbick. The fight took place on December 11, 1981 in Nassau, Bahamas. Ali lost a unanimous ten round decision.