Kai Otton has been on a tear this year, but three-time world champion and defending Rip Curl Pro Search champion Andy Irons is on fire here in Chile and dominated the Aussie in Heat 2 of Round 4.br br br img src= border=0 width=150 height=90 alt="Rip Curl Pro Search Chile: Round 4 Heat 2 - Andy Irons def.