Joseph Parker denies taking 'any prohibited substance' after failed drugs test Kiwi fighter tested positive for a banned substance ahead of latest defeat Evening Standard · Nov 15, 2025
Joseph Parker denies taking ‘any prohibited substance’ after failing drugs test Parker says he is confident that an investigation will clear him of wrongdoing The Independent UK · Nov 15, 2025
Trouble in Ryan García's corner: he tested positive for PEDs ahead of fight against Devin Haney García has 10 days to request another test on his B-sample; he defeated Haney on April 20 via majority decision Latin Times · May 2, 2024
Dillian Whyte vows to prove his innocence after doping test ‘adverse finding’ The scheduled rematch against Anthony Joshua next Saturday has been cancelled. The Independent UK · Aug 5, 2023
Anthony Joshua vs Dillian Whyte CANCELLED after ‘adverse’ anti-doping finding as Whyte pleads innocence Dillian Whyte denies wrongding after shock verdict a week out from fight Evening Standard · Aug 5, 2023
Dillian Whyte returns ‘adverse finding’ from random doping test Whyte’s scheduled re-match against Anthony Joshua has been cancelled and the Voluntary Anti-Doping Association is investigating. The Independent UK · Aug 5, 2023
Anthony Joshua vs Dillian Whyte fight cancelled after anti-doping test Eddie Hearn said Whyte had returned ‘adverse analytical findings’ during a random anti-doping test The Independent UK · Aug 5, 2023