Enzo Maccarinelli has returned to former coach Enzo Calzaghe as he aims to resurrect his career by moving to the light-heavyweight division. Calzaghe, who coached son Joe to be a two-weight world champion, is back training after a year-long break. Maccarinelli, the former cruiserweight WBO world champion, hopes to fight again in September. The Swansea boxer, 30, is keen to make a comeback despite suffering four defeats in his last eight bouts. But Enzo Calzaghe believes Maccarinelli has the class to succeed again. "I needed to let him understand where his problems were. Hopefully he understands where I'm coming from and he did," said Calzaghe. Read more: http://news.bbc.co.uk/sport2/hi/boxing/14017206.stm