 On September 17, 2007, Cavalcante won the K-1 HERO'S' 2007 Middleweight (70 kg) tournament by defeating Brazilian jiu-jitsu specialist Vítor Ribeiro by TKO in the first round and Andre Amade by submission via armbar in the finals.Cavalcante had agreed to fight former PRIDE Fighting Championship Lightweight standout Shinya Aoki at Yarennoka!but withdrew from the fight due to a knee ligament injury.