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 for the TKO at the 3:09. mark of Round 1.

We’re back with another betting prediction and pick for the UFC Vegas 104 Main Card as we take a look at this next bout occurring in the Featherweight (145) Division. South Korea’s SeungWoo Choi will face off against Argentina’s Kevin Vallejos as the two fighters aim for an exciting performance.

Debuting Kevin Vallejos faces a struggling SeungWoo Choi to kick off the UFC Fight Night 254 main card. Will the judges be needed?

Featherweight Kevin Vallejos finally arrived in the octagon at UFC Vegas 104, stopping Swung-Woo Choi in his debut.

When is UFC Fight Night 254? UK – the preliminary card starts at 9:00pm on Saturday 15th March 2025, followed by the main card at 12:00am (Sunday) / USA – 4:00pm/7:00pm ET (Saturday) and 1:00pm/4:00pm PT (Saturday) What TV channel is UFC Fight Night 254 on? UK – TNT Sports / USA – ESPN+

Kevin Vallejos is definitely a name to watch after he made a splashy debut with a devastating knocout at UFC Vegas 104. The 23-year-old Contender Series veteran lived up to the hype as he blasted Seung Woo Choi with a huge overhand right that sent the South Korean fighter crashing to the canvas.