Mike Tyson on Saturday. And the ring legend could even earn four times his current bank balance depending on pay-per-view sales for the eight-round exhibition match.
Jones, who has held multiple world championships at four different weights, makes his return to the ring aged 51 against former undisputed heavyweight king Tyson, who is three years his senior.
The two are each set to make $10million (£7.4m) from the fight at the Staples Centre in Los Angeles, California, which will take place in the early hours of Sunday morning UK time.
Jones Jr currently has $5m (£3.8m) to his name, according to Celebrity Net Worth - so his bank balance will be three times fatter by the end of the fight.
Read more on dailystar.co.uk