Alex Arthur announces retirement from boxing Former WBO world super-featherweight and Commonwealth champion Alex Arthur has retired. The 35-year-old from Edinburgh revealed the news on Wednesday via Twitter. Well...Woke up today 35. Time goes so fast," he said. I haven't fought for over a year now, so just want to say I officially retire from boxing today. Arthur's 13-year career boasted a record of 31 wins and three defeats in 34 fights. More to follow...