![And a legend was born" - Fans react to 18-year-old Conor McGregor securing TKO victory over Kieran Campbell in first-ever MMA fight And a legend was born" - Fans react to 18-year-old Conor McGregor securing TKO victory over Kieran Campbell in first-ever MMA fight](https://i.ytimg.com/vi/d87ia5Wnh4Y/maxresdefault.jpg)
And a legend was born" - Fans react to 18-year-old Conor McGregor securing TKO victory over Kieran Campbell in first-ever MMA fight
![Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT](https://talksport.com/wp-content/uploads/sites/5/2021/01/Conor.png)
Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT
![Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT](https://talksport.com/wp-content/uploads/sites/5/2021/01/image-8aa7ad28be-1.jpg?w=620)
Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT
![And a legend was born" - Fans react to 18-year-old Conor McGregor securing TKO victory over Kieran Campbell in first-ever MMA fight And a legend was born" - Fans react to 18-year-old Conor McGregor securing TKO victory over Kieran Campbell in first-ever MMA fight](https://staticg.sportskeeda.com/editor/2024/01/ec7a1-17051775404186-1920.jpg)
And a legend was born" - Fans react to 18-year-old Conor McGregor securing TKO victory over Kieran Campbell in first-ever MMA fight
![Before he was NOTORIOUS.. - CONOR MCGREGOR V KIERAN CAMPBELL - MMA (PRO DEBUT) - FIGHT ARCHIVES 2007 - YouTube Before he was NOTORIOUS.. - CONOR MCGREGOR V KIERAN CAMPBELL - MMA (PRO DEBUT) - FIGHT ARCHIVES 2007 - YouTube](https://i.ytimg.com/vi/p08-pKxyn68/oardefault.jpg?sqp=-oaymwEYCJUDENAFSFqQAgHyq4qpAwcIARUAAIhC&rs=AOn4CLBPxz0_6b6SST1CEg1VIjPp-AnXdQ)
Before he was NOTORIOUS.. - CONOR MCGREGOR V KIERAN CAMPBELL - MMA (PRO DEBUT) - FIGHT ARCHIVES 2007 - YouTube
![Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT](https://i.ytimg.com/vi/clKROUtxLMg/mqdefault.jpg)
Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT
![Before he was NOTORIOUS.. - CONOR MCGREGOR V KIERAN CAMPBELL - MMA (PRO DEBUT) - FIGHT ARCHIVES 2007 - YouTube Before he was NOTORIOUS.. - CONOR MCGREGOR V KIERAN CAMPBELL - MMA (PRO DEBUT) - FIGHT ARCHIVES 2007 - YouTube](https://i.ytimg.com/vi/_lVt8uUgX78/sddefault.jpg)
Before he was NOTORIOUS.. - CONOR MCGREGOR V KIERAN CAMPBELL - MMA (PRO DEBUT) - FIGHT ARCHIVES 2007 - YouTube
![Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT Watch rare footage of Conor McGregor winning first ever MMA bout by KO as an 18-year-old as he prepares for Dustin Poirier rematch at UFC 257 | talkSPORT](https://talksport.com/wp-content/uploads/sites/5/2020/01/NINTCHDBPICT000555301641-e1579418057623.jpg)