O'Reilly took Gold at the European Games in Baku in 2015, but did nor get to box in Rio after he admitted that he unintentionally took a supplement that may have contained a prohibited substance.
A violation of the Olympic doping rules has led to his provisional suspension from the Games in Rio.
As a result of the admission, O'Reilly is no longer contesting the provisional ban and as a result cannot box at the Games..
