There were no TKOs on the UFC Fight Night 237 prelims, but one fan scored two knockdowns at the start of the main card. As fighters threw down inside the cage, some spectators decided to do the same in the crowd. Just before the decision was read for the Manuel Torres vs. Chris Duncan main card opener Saturday, a large melee broke out among fans in attendance on the floor at Mexico City Arena
More:
Video: UFC Mexico fan drops two other spectators in large crowd melee – MMA Junkie