Let's see, old heavyweight boxer last payday retirement tour
Foreman was already too old when he did his crazy champ return in the 90s
Holyfield was doing prematch talking and sounded drugged out
Lennox Lewis was also talking prematch and sounded much more lucid
Roy Jones did commentary the whole night and may be the youngest out of this list
Bernard Hopkins?
And other lesser-named champions
Paul could rinse and repeat this damn formula every year or two when he wants to race-bait and antagonize his way to a payday and some time in the news cycle.
Basically the Conor McGregor formula.
I posted about it in the sports comm. It was a nice, calm way to stare at a screen for 30 minutes