Punch resistance deteriorating.

Guerrero feeling every punch of Figueroa like a Hearns right after years of taking the best punches of the best fighters.
Roy Jones after moving back down.
Meldrick Taylor after the Chavez fight.
Mike Tyson after a couple of defeats.
Sugar Ray Leonard after some wars.
And i'm not talking about just an overall decline, because you look at Rosario vs Camacho and how that fight changed Camacho forever, but he still could take any punch.
Oscar Dela Hoya was like the opposite, he was dropped early in his career but took the best punches of biggest opponents.

 

Guerrero yes,

How about Tim Bradley

 

Sanders looks like a heavyweight Teddy Atlas.

 

You are right! I knew he looked somehow familiar!

 

Lol.. After being tapped many times before round 8 and at the end of the fight, I'm pretty sure is China now.

 

Sadly I think there are several fighters who I think have lost punch resistance from either a certain fight or from various fights
Danny Williams, Derek Chisora. 2 HWs that I really like but I have worried for them

 

Pipino Cuevas comes to mind, he lost his very first fight by stoppage then went 32 more without a stoppage loss including a title and some defenses. Hearns wrecks him and he loses 1/2 his remaining fights in his career by stoppage.
I think I read that Duran actually told him to quit after their fight "You ain't got it no more..."

 

He never got knocked out or down but hattons resistance after the Kostya fight was never the same
Collazo had him hurt a couple of times ... cruised to a UD against urango but looked shakey everytime they got to close
It was a cumulative effect of accurate punches but floyd put him down ... then the fight after he was gettin rocked off the likes of lazcano ... was ok with Paulie but then got destroyed by pac
Plus he's last fight with he couldn't take any punishment

Before Kostya and during the tszyu fight Ricky has a pretty decent chin ... only times I remember him been hurt was when he emotionally charged in on McGee and tackle landing a freak uppercut which to be fair he weathered pretty well

RJJ after the weight jumps and tarver was the first one that sprang to mind

 

Paul Briggs. His punch resistance was quite literally reduced to nothing:

http://www.smh.com.au/sport/boxing/...iggs-was-not-fit-to-fight-20100722-10n2e.html

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Another example would be Meldrick Taylor after the first Chavez fight -- a fight in which Taylor had his physical prime stripped from him.

 

I think Hatton looked hurt against V Phillips at one point

 

BATB just retired because of this.

 

Travis Walker at no stage of his career was really talented. He did hit like the clappers though. Legitimate argument to say that he was the hardest hitter in the division at one point.

 

Yeah, Jones is really sort of the poster boy for this. His ability to take a punch literally fell off a cliff.

While not as dramatic as some, Ray Mercer - who had a super-solid chin into his early 40s - began to lose the ability to take a punch towards the end of his career.

 

Wilder had a Chuvalo-esue chin until his one-round beatdown by Dustin Nichols. Now he is a shell of his former self.