Jamie McDonnell announces end of his boxing career after becoming a two-time world champion

Jamie McDonnell has confirmed he will not return to boxing, announcing his retirement after becoming a two-time world champion. The 35-year-old Doncaster boxer claimed the IBF and WBA bantamweight belts before his four-year world title reign was ended by a knockout loss to Naoya Inoue in 2018. McDonnell had been...