Recently retired boxer Floyd Mayweather Junior has accused HBO's announcers of bias against him and other black fighters.
Mayweather told The Grand Rapids Press in an interview Friday that the network "is great," but criticized its boxing announcers.
HBO Sports president Ross Greenburg says in a statement that the network was disappointed to hear of the boxer's remarks and denied his claims.
Mayweather gave the interview on the first day of a three-day retirement celebration in downtown Grand Rapids.
Boxing's pound-for-pound king abruptly retired last month at the peak of his athletic skill and earning power.