Invicta FC 13 Free Fight: Cristiane Santos vs Charmaine Tweet July 7, 2015 Rammy 0 Famous for her TKO wins and carrying a dominant reputation, Invicta FC featherweight champion Cristiane “Cyborg” Santos defends her title against Charmaine Tweet who is on a two-fight win streak. (0) Read more ICYMI: Invicta FC 29 Face-Off: Cheyanne Vlismas vs Helen Peralta