Incontrovertibly Titanium Chins

Oliver McCall and George Chuvalo.

A prime Jake LaMotta? I don't see any middleweight stopping him.

 

Juan Laporte - Took the bombs of every featherweight/junior lightweight spanning two boxing generations and never seemed particularly bothered by any of them, let alone floored.

Marcos Villasana - Gotta hand it to a guy whose chin was so good that Azumah Nelson could merely shrug when questioned about his inability to knock out his Mexican opponent, and say " don't know. That's as hard as I can hit."

 

Chuvalo (never dropped in a career where he faced Frazier, Foreman, Mathis, Bonavena, Patterson, etc), LaMotta (you never got me down ray, nor did anyone get prime LaMotta down), Hagler (faced dudes like Mugabi, Hearns, Duran and didnt go down to any of em, only knockdown in his career was a flash knockdown), Tua (again never down in his prime against lethal punchers like Lewis, Ibeabuchi, etc), Toney (a blown up middleweight who took shots from Holy, Rahman and Peter whilst never being stopped in his career) are some off the top of my head

Marion Wilson and Don Mogard are good lesser known shouts, both were never stopped in their entire career despite being journeymen knowing little of how to defend themselves against ATG punchers.

I doubt any Welterweight could knock out Joe Grim (was considered un-knockout-able in prime against heavyweights), nor Burley (never stopped in entire career against the black murderer's row + dudes like Archie Moore whom had power that carried to heavyweight) tbh

Edit: i should be axed for not mentioning Barney Ross (never stopped even when getting face beaten in by prime Armstrong) nor GGG (never dropped in amas nor pros nor even sparring, his chin is part of his style pretty much)

 

Joe Grim

 

Sugar Ray Robinson should be mentioned

 

i edited in quick explanations for my post, sorry for not reading lmao

 

Perhaps at welter, but at middleweight he was dropped by lamotta multiple times and by a past it Graziano from a shot that landed with Graziano's wrist.

it is suspicious when you consider that the only big puncher Robi faced at MW was past it Graziano, never fighting prime Graziano, Zale, Hostak, Moore.

 

Greb went 300 fights, from a terribly green trooper to a half-blind shopworn trooper, getting truly KO'd only once and that against Joe Chip in his 7th? fight.

 

Hagler should be in the running, took the best shots from
Hearns, Mugabi, Briscoe,Sibson and Lee, all great punchers
and the guy didn't blink an eye.... His only "knock down" was
an obvious slip from the wild Rodan a blind man could've
seen.

 

Kid Gavilan and Billy Graham. Neither ever stopped. Gavilan was down twice in his career of 143 bouts and Graham may or may not have been down at all in his 126 fights. The only asterisk appears to be his 4th fight with Gavilan. The UP reporting 2 knockdowns scored by Gavilan and the AP reporting there were no knockdowns scored in the bout. Either way, two historically solid jaws.

 

Hagler and GGG for sure.

 

Lebedev

 

Holyfield. He fought many of the most dangerous punchers ever and he rarely went down.