Roger Mayweather, a former world champion who also trained his nephew Floyd Mayweather Jr., has died at the age of 58.
Floyd Mayweather announced the death in a statement.
Roger Mayweather had been ill with diabetes and other long-term health issues. He held titles at 130 and 140 pounds and was in the corner for some of Floyd Mayweather's biggest fights.
A native of Grand Rapids, he was 59-13 with 35 knockouts in an 18-year career that began in 1981.