Two years after his brutal knockout at the hands of Manny Pacquiao, Ricky “Hitman” Hatton has formally announced his retirement. Sure, most of us aren’t going to forget the glass-eyed drop to the canvas of his last fight, but the Manchester madman had his moments – mugging Paulie Malignaggi in 2008, taking out Jose Luis Castillo in 2007 with a Mexican-like liver shot, and mauling now-Hall-of-Famer Kostya Tszyu into retirement in 2005. There were also the thousands of wankers he brought over from the U.K., who took over Vegas with chants and beer drinking; and Hatton’s sense of humor (remember Ricky Fatton?) – as unorthodox as his phone booth fighting style. Here’s to the “Hitman!”