Floyd Mayweather provides peek at training for Conor McGregor fight
Boxer Floyd Mayweather Jr., left, will fight UFC star Conor McGregor on Aug. 26 in Las Vegas. Floyd Mayweather Jr. has returned to the boxing gym after nearly two years away and says his preparation for an Aug. 26 fight against Conor McGregor is going smoothly even four months after his 40th birthday.