LAS VEGAS — Floyd Mayweather seems to have more fights against music personalities than boxers these days, and while he’s ingrained in both communities, he reigns supremely and without defeat in only one.

Rappers Nelly and T.I. all have chided Mayweather since the pound-for-pound king’s last fight — in interviews, via social media, and in person — primarily over who’s dating whom, and if so why.