LAS VEGAS – Jhonata Diniz broke through Saturday at the UFC Apex, but is taking things step by step. As he sat onstage for his UFC on ESPN 55 post-fight news conference, Diniz (7-0 MMA, 1-0 UFC) glowed with a huge smile. He broke out his always-improving English to explain the moment of his first UFC victory. “I feel great today,” Diniz told MMA Junkie and other reporters. “It’s the most special day of my life in my kickboxing and MMA career