Sir Chris Hoy has joined calls demanding an explanation from Team Sky and Sir Bradley Wiggins over seeking permission to use triamcinolone, a banned drug, before the 2012 Tour de France.
Wiggins became the first Brit to win the tour in 2012, but since then, Chris Froome has taken over leadership of Team Sky and won the race three times, in 2013, 2015, and 2016 respectively.
He has also called for answers over the recent scandal that has left the team in trouble.
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Data that was stolen by hackers from the World Anti-doping Agency (WADA) a few weeks ago showed that Wiggins received three therapeutic use exemptions (TUEs) for triamcinolone, an anti-inflammatory substance. The drug has been banned in cycling after a number of historic abuse cases in the sport.
Wiggins was granted the three TUEs, one on the night before the 2011 Tour de France, another on the night before the 2012 tour, and one on the eve of the 2013 Giro d'Italia.
Wiggins and Team Sky have denied any wrongdoing, and have argued that the drug was necessary to deal with a pollen allergy that aggravates Wiggins' long-standing asthma condition.
Six-time Olympic Champion Hoy has suggested that Wiggins must answer any doubters over the TUEs he has used.
Hoy was reported by the Evening Standard as saying: "I think he has to answer questions, otherwise there will always be a question mark hanging over him.
"I think it is up to Bradley - he needs to clear his name, I'm sure, and explain what the situation was."
As well as having permission from WADA, the TUEs Wiggins used also had the approval of the UCI, cycling's world governing body. Therefore, there should be no suggestion that Wiggins or Team Sky have done anything wrong, so if the cyclist comes out to answer the questions hanging over his head, he will surely be cleared.
He'll need to do so soon, as the longer this scandal runs on, the more damage it will do to his reputation.