 On 28 June 2014 Gamboa faced off against undefeated WBO titlist Terence Crawford on HBO Boxing After Dark.Gamboa got off to a hot start, winning the first four rounds and using his superior foot speed and hand speed but was caught and dropped by a right hook in the fifth round.Gamboa continued to fight back but was dropped again in the eighth and finally was stopped in the ninth round after two knockdowns and a huge right hook by Crawford.