Former world heavyweight boxing champion Joseph Parker failed drug test, promoter says

By Canadian Press on November 14, 2025.

LONDON (AP) — Former world heavyweight boxing champion Joseph Parker failed a drug test on the day of his 11th-round stoppage of Fabio Wardley, his promotion company said Friday.

The victory on Oct. 25 had put New Zealander Parker in line for a shot at undisputed world champion Oleksandr Usyk.

“The Voluntary Anti-Doping Association last night informed all parties that Joseph Parker returned an adverse finding following an anti-doping test conducted on the 25th of October in relation to his bout with Fabio Wardley,” Queensberry promotions said in a statement.

“While the matter is investigated further, no additional comment will be made at this time.”

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AP Boxing: https://apnews.com/hub/boxing

The Associated Press

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