UFC Vegas 104 is less than 24 hours away …

It all goes down this weekend (Sat., March 15, 2025) from inside UFC Apex in Las Vegas, Nevada. In the main event, Marvin Vettori vs. Roman Dolidze will collide in a rematch virtually no one wanted to watch again (seriously).

We’ve starting a new series at MMAmania.com called “Weekend Lock,” where we will share one bet that we feel could slap in “Sin City” when the chaotic dust settles. We also want to hear what our readers think (that’s you!), so please tell us your most confident UFC Vegas 104 betting lock in the comments section below (full UFC Vegas 104 odds here).

We’re 1-0 so far, so let’s keep keeping on below …

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Kevin Vallejos — among the best prospects to come off season eight of Contender Series — makes his highly-anticipated Octagon debut this weekend. And he has all the skills to deliver an exciting performance at the expense of his opponent, SeungWoo Choi.

Vallejos’ only professional mixed martial arts (MMA) loss came against red-hot Brazilian prospect, Jean Silva, during season seven of Contender Series (yep, that Jean Silva). He is the only fighter to survive three rounds against the menacing “Lord.”

Vallejos takes on the aforementioned Choi, who we feel is super over-matched in their Featherweight fracas.

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Meanwhile, Choi has been starched in two of his last three fights, most recently by Steve Garcia. Watch the knockout below:

Vallejos is younger, has way less mileage, and has much better boxing than Choi.

So, I’m taking Vallejos via knockout (currently -175 in most sportsbooks). If you want to get froggy, Vallejos to win by KO/TKO/DQ in Round 1 (+200) is also a good bet, which was highlighted by our very own, Tim Bissell.

Here are the updated lines for “Vallejos vs. Choi” (odds via DraftKings Sportsbook):

• Kevin Vallejos victory: -625
• Kevin Vallejos via TKO/KO/DQ: -175
• Kevin Vallejos via submission: +800
• Kevin Vallejos via decision: +350
• SeungWoo Choi victory: +455
• SeungWoo Choi via TKO/KO/DQ: +1000
• SeungWoo Choi via submission: +2500
• SeungWoo Choi via decision: +900

Do you agree with our lock of the weekend? Sound off in the comments and let us know your most confident UFC 313 pick this weekend. Correct “lock” predictions will be shared in our “Best of the Best” article next week, too.

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MIDDLEWEIGHT REMATCH! Ultimate Fighting Championship (UFC) returns to its APEX facility in Las Vegas for an important main event do-over between Top 15 title contenders Marvin Vettori and Roman Dolidze, who run it back atop UFC Vegas 104 for a spot in the 185-pound title chase. In addition, red-hot welterweight veteran, Chidi Njokuani, looks to win his third straight against well-traveled Brazilian banger, Elizeu Zaleski, in UFC Vegas 104’s hard-hitting co-headliner.

Don’t miss a single second of face-punching action!

Remember that MMAmania.com will deliver LIVE round-by-round, blow-by-blow coverage of the entire UFC Vegas 104 card right here, starting with the ESPN+ “Prelims” matches online, which are scheduled to begin at 4 p.m. ET, before the main card start time at 7 p.m. ET (also on ESPN+).

To check out the latest and greatest UFC Vegas 104: “Vettori vs. Dolidze 2” news and notes be sure to hit up our comprehensive event archive right here.