LAS VEGAS - With the stakes high and his job on the line,ÂRafaello Oliveira picked up his first UFC win in two-and-a-half years.The Brazilian continually took and then held dominant top positions en route to a unanimous-decision victory over fellow lightweightÂYoislandy Izquierdo.The preliminary-card bout was part ofÂSaturday'sÂUFC 148 event at MGM Grand Garden Arena in...
