His revitalized star is rising so quickly that he's even become the spokesman for a new Polish energy drink.
In the latest nonsensical ad for Black Energy Drink (above), the former heavyweight champ sings while playing the piano in front of hot models. He then takes a sip and goes nuts. Because that's how black works.
Or something like that.
We're not sure what to make of this, but wonder what it would have looked like if Spike Lee directed instead.