UFC on FX : Belfort vs. Rockhold ( also known as UFC on FX 8 ) was a mixed martial arts event held on May 18 , 2013 at the Arena Jaraguá in Jaraguá do Sul , Brazil .
UFC on FX : Belfort vs. Rockhold ( also known as UFC on FX 8 and as UFC no Combate 2 in Brazil ) was a mixed martial arts event held by the Ultimate Fighting Championship on May 18 , 2013 at the Arena Jaraguá in Jaraguá do Sul , Brazil .