LAS VEGAS – A little time off didn’t seem to make a bit of difference for Brian Melancon – but timing might just be his specialty. Fighting for the first time in nearly two years, Melancon looked dominant in the first round against veteran Seth Baczynski – then he stopped him with a knockout with just one second left in the frame. The welterweight bout was part of today’s UFC 162 event at MGM Grand Garden Arena in Las Vegas. It streamed on Facebook ahead of additional prelims on FX and a main card on pay-per-view. Melancon kicked early, then landed a left hook and immediately tried to come back with another one