Conor McGregor is no stranger to showing off - but he usually does it with fast cars and flashy outfits.
That was not entirely the case on Saturday, however, as the proud father also posed with three-month-old son Conor Jr following a training session in Las Vegas.
The Dublin-born UFC champion was all smiles as he stood alongside girlfriend Dee Devlin while cradling the boy in his arms, before giving him a kiss on the head.
Conor McGregor showed off his three-month-old son Conor Jr for the cameras in Las Vegas following an opening training session on Saturday
The proud father gave his boy a kiss as he was flanked by girlfriend Dee Devlin while preparing to fight Floyd Mayweather later this month
McGregor, the first fighter in UFC history to hold title belts in two weight classes at once, had earlier vowed to become the 'God of boxing' by knocking out Floyd Mayweather in their super-fight scheduled for August 26.
The 29-year-old said: 'I have a game plan and I will execute it perfectly, like always.
'I have been boxing my whole life so this is not a new experience for me. I will rule over MMA and boxing with an iron fist after August 26.
'The critics say that Floyd has been there before. They discredit my training, my skills, my accomplishments.
'This isn't new to me though, just like boxing isn't new to me. I am no stranger to being the underdog on paper. I am a seasoned veteran and I am confident that I am the better