ATLANTIC CITY – Whether it grazes or slams into its target, a liver shot is a debilitating blow – especially when Edson Barboza ‘s leg is the delivery vehicle. Barboza (14-2 MMA, 8-2 UFC) added another highlight-reel win to an already extensive collection with a first-round TKO of Evan Dunham  (14-6 MMA, 7-6 UFC). The lightweight bout co-headlined today’s UFC Fight Night 45 event at Revel Casino Hotel in Atlantic City. It aired on FOX Sports 1 following a single prelim on UFC Fight Pass. The official end of the bout came at the 3:06 mark of the first round as Barboza landed a few clean right hands to Dunham’s head after the devastating body kick. “I train this kick a lot,” Barboza said afterward.