The octagon is back at the UFC Apex in Las Vegas for Saturday’s UFC Vegas 92 fight card.  The event is headlined by a featherweight bout between Edson Barboza and Lerone Murphy.  Barboza (24-11) will enter the match riding a two-fight winning streak.  Murphy (13-0-1) is unbeaten.  Barboza weighed in at 145.5 pounds while Murphy tipped the scales at 146