Cris Cyborg worked eight rounds to win a decision over Simone Silva in her first time in a boxing ring Sunday at Fight Music Show 2 in Curitiba, Brazil. The reigning Bellator featherweight champion, Cyborg holds 20 knockouts in 26 MMA wins en route to title wins in the UFC, Strikeforce, and Invicta FC, and was expected to walk through Silva in the squared circle, especially with “Cat Woman” still serving a 60-day medical suspension after losing via knockout in Texas this past August. Announced by Fight Music Show as a professional bout despite the boxing commission OBBoxe refusing to…