This was one of those fights where we can say father time won. Mike at 20 years old, would beat probably about three Jake Pauls all at the same time, not entirely sure since three is a lot, certainly would beat two of them at the same time, like throw in Logan Paul and Jake Paul together and I am 100% sure Mike would have just beat them in the first round without a doubt.
However, father time is unbeaten and Mike was looking like his age, which was expected to be fair, in fact he even did better than expected, nobody at 58 years old would be this good, only Mike could, most boxers are not even healthy to fight at that age, boxing is heavy on the body and most crumble before they reach that age, so the fact that he somehow battled 8 rounds, that's good enough.
As someone who goes to gym 3 times a week, I can tell you that even at my age, I can't punch a punching bag for 16 minutes in a row, even with breaks, so I know how hard what he did must have felt like.