McGregor declares only 1 opponent has landed a heavy punch on him in competition

What kind of mark will Conor McGregor leave on the world when he decides to hang up the gloves?

The current UFC lightweight champion has already brought a lot to the world of combat sports and according to him, he is…

“I’m 29 years of age and I have climbed to the very, very, very top and with…not with relative ease…I’ve put in a lot of hard work,” McGregor told Ryan Tubridy on RTE’s The Late Late Show (transcribed by Peter Carroll for MMA Fighting).