he UFC 170 weekend has arrived, and the festivities have just begun. In the video above, watch the UFC 170 pre-fight press conference. The conference will begin promptly at 4pm/1pm ET/PT.Saturday night’s event is headlined by the UFC Women’s Bantamweight champion bout between Ronda Rousey and Sara McMann. This bout is historic in that it will serve at the first ever fight between two Olympians in MMA.