Kick boxers who become boxers seem to have great chins

I was thinking about this the other day and maybe there is something in the training to defend against kicks. I can think of few boxers who dabbled and have great chins... Pacman, Algeiri, Klitchko, Dillian Whyte, Lipinets, Jarrel Miller, Nick Diaz, Ray Mercer to name a few. What do you guys think? Theyre tough guys but dont seem to have any different chins to anyone else that i can see. Im suprised you have Miller in there, guy hasn't fought a decent fighter yet, or a puncher. He got wobbled by a CroCop left hook too.

I think there is no connection what so ever.Former kick boxers don't have any better or worse chins on average that boxers who never kick boxed. Getting kicked in the head does not increase a fighter's ability to take a punch at all. If he gets kicked in the head often enough and hard enough it might hurt his ability to take a punch.

I was thinking about this the other day and maybe there is something in the training to defend against kicks. I can think of few boxers who dabbled and have great chins... Pacman, Algeiri, Klitchko, Dillian Whyte, Lipinets, Jarrel Miller, Nick Diaz, Ray Mercer to name a few. What do you guys think? Nick Diaz? Did he have a pro boxing fight yet?