Sean O’Malley didn’t find Aljamain Sterling ’s featherweight debut too entertaining. Sterling (24-4 MMA, 16-4 UFC) scored a shutout of Calvin Kattar (23-8 MMA, 7-6 UFC) at UFC 300, where he stifled him with his grappling. The former bantamweight champion, who lost his title to O’Malley by knockout , showed that his power translated well to 145 pounds. Bantamweight champion O’Malley (18-1 MMA, 10-1 UFC) took a shot at Sterling’s performance. “‘Aljo’ looked good – he made Calvin look bad,” O’Malley said on his YouTube channel . “I think it was three times, three different times, the crowd was booing.