Johnny Walker defends Dominick Reyes, says no fighter has an 'iron chin'

Johnny Walker responded to critics who claim Dominick Reyes has a weak chin. Walker argued that anyone can be knocked out with the right punch at the right moment. He dismissed the concept of an 'iron chin' entirely, stating that such a thing does not exist in MMA. Walker and Reyes are scheduled to face each other this weekend. Walker's comments suggest mutual respect between the two light heavyweights ahead of their bout.