Today, as we are all on tenterhooks, bracing ourselves for the promised “Knockout Chaos” to be delivered when Anthony Joshua and Francis Ngannou get it on in Riyadh, Saudi Arabia, older fight fans – in fact, ALL boxing fans who have the appropriate respect – will celebrate the anniversary of the fight that might just have been the greatest, most anticipated, it-lived-up-to-all-the-hype heavyweight showdown of them all.