In May 2021 World Rugby has reported an anti-doping rule violation against the Colombian rugby player Juan David Herrera after his sample tested positive for the prohibited substances 19-norandrosterone (Nandrolone) and Boldenone.
After notification the Athlete gave a prompt admission, waived his right for a hearing, accepted a provisional suspension and the sanction proposed by World Rugby.
Because of the Athlete's early admission and acceptance of sanction World Rugby decides on 11 August 2021 to impose a reduced 3 year period of ineligibility on the Athlete, starting on the date of the provisional suspension, i.e. on 20 May 2021.
