Aww, Roomies! Kentrell Jr. is clearly taking notes from his grandfather Floyd Mayweather. Floyd has the internet gushing as he shared footage of his lil' man getting busy in the boxing ring.RELATED: Stuntin' Like Daddy! NBA YoungBoy's Son Kentrell Jr. Brings Twin Energy With Fresh Drip At 'MASA' Tour (VIDEO)Floyd Mayweather Shows Off His Grandson's Boxing SkillsListen, when it comes to boxing, Kentrell Jr. clearly isn't new to it, he's true to it! The son of NBA YoungBoy and Floyd's daughter, Yaya Mayweather is already showing folks that he's got skills.