Allan Nascimento handed Jake Hadley the first loss of his career with a dominant grappling showcase at UFC Vegas 54. The Brazilian, who trains alongside uncrowned UFC lightweight king Charles Oliveira, used his wrestling, top control, and Brazilian jiu-jitsu acumen to keep Hadley underneath him for a huge amount of time over three rounds, which resulted in a unanimous decision win. All three judges scored the fight 30-27 for Nascimento, who celebrated with a photo of his recently deceased father in his hand. “I’m so happy for this moment,” Nascimento said. “I did this for my father, for my team.…