Top 10 Toughest Unbeaten Boxers of All Time

MickeyMouse

The Top Ten

1 Rocky Marciano

Marciano is able to be number 1 because of an impressive record. If pep say that was not a basis, then who's deserving? Mayweather? Had to finish the fight because of business haha

Ones life experiences prior to the fight influences the warriors and plays such a big role that it could almost specifically predict what happens in the ring

Should be number one Mayweather is not and never will be as good as Rocky Marciano while Mayweather whould be a joke and hugged his opponent Marciano actually fought and fought far more talented fighters and got more KOs the mayweather and better in every way - donovanthorn

Not great, AMAZING

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2 Floyd Mayweather Jr. Floyd Mayweather Jr.

Its just because his a cheater..

Not my type of fighter but he defended his self against the best and come out on top sugar ray Lennard would been a good test for him someone of skill and speed just as him I always thought he pick an choose a lot of his fights.

Floyd isn't unbeaten - Sabbath

I vote for him! oh wait, I thought this was for toughest in track in field.

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3 Ricardo López
4 Packey McFarland
5 Jimmy Barry
6 Joe Calzaghe

He was brilliant timing opponents watch the fights before he went down hill you see what I mean.

This guy is so underrated and why? Because he's from Wales. If he was American he'd be considered gods gift.

Joe had best boxing ability I ever seen at medium range, his timing was perfect and punches flew combo's of always 4's and 5's. fast as he was in his 20's he slow a bit in his 30's that take smack out of his punch. but I do like watching his early fights when he was a rising star. think he could of been promoted better as he didn't get to fight the like of Roy Jones and Bernard Hopkins till he was fading a little, it was born in the wrong era

would like to see him fight: Marvin Hagler that would of been a test for him and nigel
benn who would of tested his heart. all said an done he defeated some highly talented fighter's for that I would rate him in the top 6.

7 Jack McAuliffe
8 Chris John
9 László Papp
10 Muhammad Ali Muhammad Ali Muhammad Ali (January 17th 1942 - June 3rd 2016) was an American former professional boxer . He was generally considered among the greatest heavyweights in the history of the sport.

Muhammad Ali was a great boxer but he wasn't undefeated - donovanthorn

What's not undefeated but was able to have wins against George Foreman and Joe Frazier.

The Contenders

11 Edwin Valero
12 Harry Simon V 1 Comment
13 Ike Ibeabuchi
14 Manny Pacquiao Manny Pacquiao

Great fighter but not undefeated. - Terrax

15 Terry Marsh
16 Pichit Sithbanprachan
17 Kim Ji-won
18 Arturo Gatti

Gave you everything he had for as long as he had to go

19 Sven Ottke
20 Paul Spadafora
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