Floyd Mayweather and Conor McGregor traded verbal jabs Tuesday as the circus-like countdown to their money-spinning superfight cranked into overdrive on the Las Vegas Strip.
Thousands of fans including a sizeable contingent of Irish supporters thronged the heart of the Nevada boxing capital to greet Mayweather and McGregor at their separate grand arrival ceremonies.
Mayweather, the 40-year-old undefeated former welterweight boxing champion, has been lured out of retirement to face McGregor, a star of mixed martial arts’ Ultimate Fighting Championship.
The two men meet in a 12-round contest under boxing rules on Saturday that is tipped to become the richest fight in history.
The cross-combat collision has appalled boxing purists, with many decrying the event as a farcical publicity stunt more in keeping with the choreographed traditions of WWE wrestling.
Mayweather and McGregor — who clashed repeatedly during an…