At UFC 300 , the winner who might have made the biggest instant impact on a division was Kayla Harrison . Harrison (17-1 MMA, 1-0 UFC), a two-time $1 million winner in the PFL and a two-time Olympic gold medalist in judo, took out former UFC women’s bantamweight champion Holly Holm (15-7 MMA, 8-7 UFC) with absolute ease. She outstruck her 68-7, had nearly a full round of control time, and submitted Holm in the second round