MMA’s newest Gracie makes his professional debut in October. Bellator officials today informed MMAjunkie that Robson Gracie Jr. (0-0 MMA, 0-0 BMMA), brother of MMA legend Renzo Gracie, will face Peter Nascimento (0-1 MMA, 0-1 BMMA) in a welterweight contest at Bellator 208. The bout is expected to feature on the preliminary card of the event, which takes place Oct.