Conor McGregor

Conor Anthony McGregor is an Irish professional mixed martial artist, boxer, businessman, and the biggest pay-per-view draw in combat sports history. Born on July 14, 1988, in Crumlin, Dublin, McGregor grew up in a working-class family and trained as a plumber's apprentice before committing fully to MMA at age 18 — a decision he made while collecting welfare checks.

McGregor's rise through the UFC was unprecedented. His combination of devastating left-hand power, surgical precision on the feet, and an unmatched gift for psychological warfare transformed him from an unknown Irish fighter into the sport's first global superstar. In 2015, he knocked out Jose Aldo — who had been undefeated for a decade — in just 13 seconds to claim the UFC Featherweight Championship. A year later, he defeated Eddie Alvarez to become the first fighter in UFC history to hold titles in two weight classes simultaneously.

In 2017, McGregor crossed over to professional boxing to face Floyd Mayweather Jr. in what became the second-highest-grossing pay-per-view event of all time, earning McGregor over $100 million for a single fight. That same year, he launched Proper No. Twelve Irish Whiskey, which became the fastest-growing spirits brand in the world. In 2021, Proximo Spirits acquired the brand in a deal reportedly worth up to $600 million.

From a council estate in Dublin to a net worth exceeding $200 million, McGregor's story is one of the most dramatic rags-to-riches journeys in sports history. His ability to create spectacle, drive revenue, and build brands has redefined what it means to be a combat sports athlete in the modern era.

Born July 14, 1988, in Crumlin, Dublin, Ireland, Conor McGregor grew up in a working-class neighborhood. His father Tony was a taxi driver, and young Conor began boxing at age 12 at the Crumlin Boxing Club. He trained as a plumber's apprentice after school but found MMA at age 18 through Straight Blast Gym under coach John Kavanagh. He collected welfare checks while training full-time, a period he later called one of the most important decisions of his life.