Conor McGregor and Floyd Mayweather Sr. exchanged some heated words after the Conor McGregor vs. Floyd Mayweather world tour press conference Tuesday afternoon in Los Angeles.<br /><br />Subscribe: <br /><br />Check out our full video catalog: <br />Visit our playlists: <br />Like MMAF on Facebook: <br />Follow on Twitter: <br />Read More: <br /><br />MMA Fighting is your home for exclusive interviews, live shows, and more for one of the world's fastest-growing sports. Get latest news and more here:
