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
Showers will largely die away this evening and winds will decrease. Feeling chilly with clear spells. Lows of 3 deg C.
This afternoon will see squally showers- these will be occasionally heavy. Becoming very windy later with gales.
Further one in eight expect to be aged between 71 and 80 years when they finally stop work, according to survey.