Filed under: UFCWith UFC 137 in the books and the spookiest day of the year now upon us, let’s all grab a mini-Snickers and sort through the biggest winners, losers, and everything in between from Saturday night’s action in Las Vegas. Biggest Winner: Nick Diaz I remember around this time last year, before Diaz fought KJ Noons, watching him put on the boxing gloves and headgear in his gym in Lodi, Calif., and walk down one sparring partner after another. In the beginning, most of them did pretty…