Babalu Sobral vs. Tatsuya Mizuno Headlines ONE FC 4, Imanari vs. Issa Tapped as Co-Main Event

Source: http://www.mmafighting.com/news/2012/5/7/3005033/one-fc-4-babalu-sobral-vs-tatsuya-mizuno-masakazu-imanari-vs-leandro-issa-mma

Jason Ellis Aleksander Emelianenko Fedor Emelianenko Yasubey Enomoto Mark Epstein