George Foreman and Evander Holyfield's upcoming fight -- The legendary boxer takes on the current heavyweight champ 18 years after he took the title from Joe Frazier

It has been 18 years since George Foreman knocked out Smokin’ Joe Frazier in Jamaica for his first heavyweight crown. On April 19, the 43-year-old contender returns to the ring to take on current champ Evander Holyfield. What a difference an era makes.

* Guaranteed total purse for 1973’s Foreman-Frazier bout: $1,225,000
* Guaranteed purse for this week’s fight: $32 million
* Foreman’s weight for ’73 bout: 217 1/2 pounds
* Foreman’s weight now: 250 pounds
* A ringside ticket for ’73 bout: $112
* A ringside ticket today: $1,000
* Holyfield’s age in ’73: 10
* Number of Foreman’s sons: 4
* Number of Foreman’s sons named George: 4