Former boxing world champion Herbie Hide has pleaded guilty to conspiracy to supply cocaine at the start of a trial at Norwich Crown Court.
The 42-year-old, who lives at Bawburgh, near Norwich, had previously denied the charges.
He has been released on bail.
Hide will be sentenced at Cambridge Crown Court on November 29.
Until then, he will have to report daily to Norwich police station.
More top news
A mild, windy and cloudy day with perhaps some brief breaks in the cloud. The cloud may be thick enough at times for light drizzle at times.
Mild, windy and mainly dry.
It's not Father Christmas' usual mode of transport but these young patients didn't seem to notice.