Yuneisy Duben entered her UFC debut off a spotlighted knockout, but exited on the other side of the equation. In the UFC Fight Night 254 opener, Duben (6-1 MMA, 0-1 UFC) was knocked out by Carli Judice (4-2 MMA, 1-1 UFC) with a head kick and punches sequence with the stoppage at the 1:40 mark of Round 1. The bout took place Saturday at the UFC Apex in Las Vegas