Monster Energy’s Sergio Pettis Takes Bellator MMA Bantamweight World Championship Title from Juan Archuleta at Bellator 258 Share Article We have a new Bantamweight World Champion! Monster Energy congratulates Sergio Pettis on his decision victory in the Bellator MMA title fight against Juan Archuleta at Bellator 258 on Friday night. Monster Energy’s Sergio Pettis Takes Bellator MMA Bantamweight World Championship Title from Juan Archuleta at Bellator 258 “It feels great. [Anthony] has been telling me I’m one of the best of the world ever since I started this, so to finally win my own belt feels like a dream come true." - Sergio Pettis