Manny Pacquiao, as he defends his world welterweight title against Adrien Broner in Las Vegas this Saturday night at the age of 40, will be 68 years younger than the oldest active sportsman on the planet.
Stanislav Kowalski, at 108 also the oldest surviving citizen of Poland, won a 100 metres race less than five years ago and is still registered as a Masters competitor at sprinting, discus and shot-putt.
Down Under right now the Williams sisters are through to the third round of the Australian Open, Serena at 37 and Venus at 38. At 37, Roger Federer is the 9-2 second favourite to win the men's singles title in Melbourne with only Novak Djokovic and Rafa Nadal - both over 30 - given a betting chance of stopping him.
Manny Pacquiao defends his world welterweight title against Adrien Broner at the age of 40
In Yokohama, Japan's second highest all-time goal-scorer Kazuyoshi Miula has just signed the contract for a 33rd league season. He will turn 51 next month and only last year broke our own Sir Stanley Matthews' long-standing records as the oldest-ever player and goal-scorer in senior football.
The oldest competitor at the Russia 2018 World Cup was Egypt goalkeeper Essam El-Hadary, who was 45 years and 161 days when he started against Saudi Arabia in Volvograd on June 25.
Although El-Hadary let in the goals in a 2-1 defeat, he is very much part of a sea-change in the age profile of the modern athlete.
The Grey Generation now boast not only the most disposable income but are among the fittest men and women in global sport.
At 37, Roger Federer is the 9-2 second favourite to win the men's singles title in Melbourne
And in politics, come to that.
Pacquiao combines the hardest game with his day job as a Senator in the Phillipines government, throwing in philanthropy, singing and acting in his spare time.
The PacMan is a prime example of how modern sports medicine and rigorous fitness, dietary and lifestyle regimes can push back the boundaries of retirement at even the highest levels of athletic endeavour.
Pacquiao credits his born-again Christianity, reaffirmation of his marriage vows and rejection of gambling, drinking and a high-life which was becoming notorious for his longevity in the ring and his capacity for multi-tasking.
Thanks to that reformation he is the overwhelming favourite to beat Broner — 11 years his junior and a four-time world champion — in the MGM Grand Garden Arena on the Vegas Strip this weekend.
Pacquiao credits his born-again Christianity for his longevity in the ring and ongoing capacity
There has been a mental adjustment, too.
Pacquiao, the only eight-division world champion in boxing history, explains: 'I no longer feel I have to build my legacy. That is not why I'm still boxing. I am doing this because I love fighting, love
