RIZIN Men’s Featherweight betting trends: Underdogs are 14-21 for +5.88 units and +16.8% ROI since 2025, while the 2026 dog record stands at 4-6 for +2.31 units and +23.1% ROI.
Top Recent Trend: Underdogs
14-21 since the beginning of 2025
Moneyline Performance Analysis
| Bet Type | Record | Units | ROI |
|---|---|---|---|
| Favorites | 45-17 | +5.29 | +8.5% |
| Underdogs | 17-45 | -9.74 | -15.7% |
| Coin-Flip Favorites | 10-6 | +2.24 | +14.0% |
| Coin-Flip Underdogs | 6-10 | -3.06 | -19.1% |
The full RIZIN Featherweight sample still shows a modest favorite profit, but that result is heavily driven by the extreme 2024 favorite run. Favorites went 24-3 in 2024 for +40.2% ROI.
Since the beginning of 2025, the moneyline has moved in the opposite direction. Featherweight underdogs are 14-21 for +5.88 units and +16.8% ROI, while favorites are 21-14 for -5.57 units and -15.9% ROI.
Karshyga Dautbek and Hiroaki Suzuki both won as favorites at Landmark 15, pushing the 2026 favorite record to 6-4. Even so, favorites remain down 1.25 units for the year, while dogs are 4-6 for +2.31 units and +23.1% ROI.
Proposition Betting Analysis
| Bet Type | Record | Units | ROI |
|---|---|---|---|
| Over | 28-33 | -10.51 | -17.2% |
| Under | 33-28 | -0.16 | -0.3% |
The Landmark 15 featherweight fights both went Under, moving the 2026 totals record to an even 5-5 on each side. Neither side has produced a profit this year, with Overs down 1.60 units and Unders down 0.73 units.
Since 2025, Overs are 19-16 for +0.25 units and +0.7% ROI, while Unders are 16-19 for -4.74 units and -13.5% ROI. The moneyline reversal toward underdogs remains the more meaningful recent division trend.
Featherweight Betting Trends by Year
| Year | Favorite ROI | Dog ROI | Over ROI | Under ROI |
|---|---|---|---|---|
| 2024 | +40.2% | -57.9% | -39.9% | +17.0% |
| 2025 | -17.3% | +14.3% | +7.4% | -16.0% |
| 2026 YTD | -12.5% | +23.1% | -16.0% | -7.3% |
Featherweight has the largest sample among the major RIZIN divisions in this analysis, making the post-2024 moneyline reversal worth tracking. The 2026 underdog return has cooled from its earlier peak but remains profitable.
Performance Summary
Based on the betting trends, the stronger recent RIZIN Featherweight value has still come from underdogs. Dogs are 14-21 for +16.8% ROI since 2025, while favorites have continued to win more fights without producing a profit over that period. The totals market is now close to flat since 2025 and does not offer the same clear trend.
Analysis Period: February 24, 2024 through July 18, 2026
62 betting-eligible RIZIN Men’s Featherweight fights tracked. Historical results do not guarantee future outcomes.
Combat Odds 
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