Kevin Vallejos showed why there’s hype around his name in his octagon debut against SeungWoo Choi at UFC Fight Night 254. After earning a UFC contract through Dana White’s Contender Series, Vallejos (15-1 MMA, 1-0 UFC) made a major first impression when he hurt Choi (11-6 MMA, 4-5 UFC) with a massive punch then swarmed