TEMECULA, Calif. – Keri Melendez remains unbeaten in her MMA career. Melendez (4-0 MMA, 4-0 BMMA) showed off both strong striking and solid ground work in her Bellator 229 main-card bout with Mandy Polk as she earned a unanimous-decision victory. The judges’ scorecards were 30-27 across the board as the strawweight Melendez improved to 4-0. Polk (6-5 MMA, 0-1 BMMA), a Tennessee native making her Bellator debut, came rushing out of her corner at the start of the fight, just to eat a right hand which dropped her