But Belfast-based O'Neill, who last year became the BBBC's acting chief medical officer following the retirement of Dr Adrian Whiteson, is unhappy. He said: "I feel ethically and morally I can no longer be part of boxing." His move comes at a sensitive time for boxing. Ten days ago, 26-year-old Panamanian Pedro Alcazar died from a brain injury after losing his world super-flyweight title in Las Vegas and, on Monday, Warren is organising a testimonial dinner in London for Michael Watson, who suffered brain damage in a world title fight against Chris Eubank 11 years ago.