This night, Tom Danielson tweeted that he has tested positive for testosterone in an out-of-competition control. The Cannondale-Garmin rider, who will miss his title defense at the Tour of Utah, will be sidelined pending the results of his B sample.

General manager Jonathan Vaughters published a statement about this case according to CyclingTips. “Tom Danielson notified Slipstream Sports that he was informed by USADA that he has returned an adverse analytical A sample using carbon isotope testing. In accordance with Slipstream Sports’ zero tolerance anti-doping policy, he has been suspended from competition, effective immediately. He awaits the results his B sample. Slipstream respects and will adhere to the process of the anti-doping authorities and will not comment further.”