The 29-year-old Byrne, 7-1-1 (1 KO), revealed that he had suffered a brain bleed from his one punch knockout loss to William Crolla, which took place on April 3 in Cheshire, England. The knockout came at the culmination of a thrilling junior middleweight fight where Crolla, 10-1 (8 KOs), was down four times in the fight before one overhand left changed the result and ended a career.
‘Devastated’ Glenn Byrne forced to retire due to brain bleed
