 One day prior to Guerrero's withdrawal, Katsidis had turned his attention towards old nemesis Juan Díaz, with both expressing an interest in a potential rematch.On 2 March, a fight between Katsidis and then-undefeated lightweight challenger Kevin Mitchell was officially confirmed by promoter Frank Warren.It was contested on 15 May at Boleyn Ground stadium in London, with the WBO interim lightweight title on the line.