What the Odds Say About Topuria vs. Gaethje
Ilia Topuria enters this fight as a heavy favorite across every major sportsbook. Lines range from -769 at BetRivers and FanDuel to -1000 at BetMGM, making this one of the more lopsided UFC main event markets you will find. Justin Gaethje is a live underdog at prices ranging from +460 to +550 depending on where you shop. The spread between books is significant, and line shopping here is not optional.
At -1000 (BetMGM), you are risking $1,000 to win $100 on Topuria. At -769 (BetRivers or FanDuel), that same implied confidence costs you considerably less. On the Gaethje side, the gap between +460 at FanDuel and +550 at BetOnline.ag or DraftKings represents a meaningful difference in payout on an already high-risk play.
Implied Probabilities: Topuria vs. Gaethje
Converting these odds into implied win probabilities shows just how dominant Topuria's position is. Use our Odds Converter to run any of these numbers yourself.
Ilia Topuria (Favorite)
- BetMGM (-1000): ~90.9% implied probability
- Caesars (-909): ~90.1%
- BetOnline.ag (-833): ~89.3%
- Bovada (-833): ~89.3%
- DraftKings (-833): ~89.3%
- BetRivers (-769): ~88.5%
- FanDuel (-769): ~88.5%
Justin Gaethje (Underdog)
- FanDuel (+460): ~17.9% implied probability
- BetRivers (+525): ~16.0%
- BetMGM (+525): ~16.0%
- Bovada (+525): ~16.0%
- BetOnline.ag (+550): ~15.4%
- Caesars (+550): ~15.4%
- DraftKings (+550): ~15.4%
The consensus puts Topuria's win probability in the 88 to 91 percent range. Gaethje is being priced as roughly a one-in-six shot depending on the book.
Where the Line Differences Matter Most
The biggest gap on the favorite side is between BetMGM at -1000 and BetRivers or FanDuel at -769, a 231-point spread on the same fighter in the same fight. If you are laying juice on Topuria, BetRivers and FanDuel offer the best value by a wide margin.
On the underdog side, FanDuel's +460 is noticeably shorter than the rest of the market, which clusters between +525 and +550. If you are considering a Gaethje bet, FanDuel is the last place you want to be. BetOnline.ag, Caesars, and DraftKings all offer +550, giving you the most return on that risk.
The UFC odds page on Line Whale lets you track these lines side by side in real time as the fight approaches.
Key Factors That Could Move This Line
Topuria's Undefeated Record
Topuria comes in undefeated and fresh off high-profile finishes. The market is pricing him as a generational-level talent. Any news suggesting injury, weight complications, or a difficult camp could soften that price quickly.
Gaethje's Style and Path to Victory
Gaethje is not a long-shot underdog in the traditional sense. He is a former interim UFC lightweight champion and one of the most durable, high-output fighters in the division's history. His path to an upset likely runs through a grinding, high-volume fight in the middle rounds, where heavy output can test Topuria's chin. Credible reports of an exceptional Gaethje camp or Topuria weight complications could push his number toward +600 or beyond.
Weight Class Confirmation
The fight is expected to take place at lightweight or catchweight, but official confirmation of weight class details could shift how bettors and books assess each fighter's physical advantages.
Public vs. Sharp Money
At these prices, most ticket volume will likely fall on Topuria, as casual bettors tend to back heavy favorites. Sharp money, however, often gravitates toward underdog value in high-profile fights. If Gaethje's number shortens despite strong bet counts on him, that is a signal worth tracking. Our Steam Moves tool can help you monitor line movement as fight night approaches.
Bottom Line for Bettors
The market is sending a clear message: Ilia Topuria is expected to win, and the books are pricing that confidence in the 88 to 91 percent range. The question for bettors is not whether the market is wrong, it is whether the price accurately reflects the risk.
If you are backing Topuria, shop aggressively. BetRivers and FanDuel at -769 are meaningfully better than BetMGM's -1000. If you are taking a shot on Gaethje, avoid FanDuel's +460 and target BetOnline.ag, Caesars, or DraftKings at +550. With fight night on June 15, the best number available today may not be available for long.