October 6, 2023
Women's Flyweight Bout
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Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Total UFC Fights | 14 | 11 |
| Experience Gap | 3 | -3 |
| Experience ELO | 1 095 | 995 |
| ELO Change | +28 | -28 |
JJ Aldrich's 3-fight experience advantage (14 vs 11 fights) held true, but the algorithm limited the bonus to prevent over-rewarding JJ Aldrich for the expected result. Had Montana De La Rosa pulled off the upset, her experience disadvantage would have delivered a modest upset bonus.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 1 061 | 994 |
| ELO Change | +19 | -19 |
This was not a title fight, so both fighters received standard ELO adjustments. However, since ELO is a relative system, victories over former champions can have an indirect impact, and Title Fight ELO can differ from Basic ELO.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Fight Outcome | Decision - Unanimous | Decision - Unanimous |
| Last Round | 3 | 3 |
| Time of Finish | 5:00 | 5:00 |
| Win Type ELO | 1 148 | 1 060 |
| ELO Change | +41 | -41 |
JJ Aldrich earned a clear Decision - Unanimous, receiving full decision bonuses for controlling the fight across all rounds. Of course, a finish would have yielded even greater rewards.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Significant Strikes Landed | 65 | 67 |
| Significant Strikes Attempted | 135 | 204 |
| Total Strikes Landed | 66 | 70 |
| Knockdowns Scored | 0 | 0 |
| Striking ELO | 1 038 | 1 030 |
| ELO Change | +23 | -23 |
Montana De La Rosa controlled the striking through superior accuracy (32.8% vs 48.1%). However, since Montana De La Rosa lost the overall fight, her striking superiority couldn't be converted into ELO bonuses. JJ Aldrich's positive striking ELO reflects the overall victory rather than striking dominance.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Takedowns Landed | 0 | 0 |
| Takedowns Attempted | 0 | 1 |
| Ground Control Time | 0:22 | 0:00 |
| Ground Strikes Landed | 0 | 0 |
| Ground ELO | 1 147 | 1 094 |
| ELO Change | +21 | -21 |
Minimal ground action with brief exchanges. The low volume resulted in modest ground adjustments.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Days Since Last Fight | 42 | 224 |
| Activity ELO | 1 189 | 1 038 |
| ELO Change | +94 | -19 |
JJ Aldrich demonstrated excellent fighting frequency with 42 days since her last fight, earning a solid activity bonus for maintaining rhythm. As the winner, JJ Aldrich capitalized on this activity level, while Montana De La Rosa's 224-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Win Streak | 2 | 0 |
| Win Streak ELO | 1 087 | 1 009 |
| ELO Change | +23 | -19 |
JJ Aldrich extended her 2-fight win streak, earning a momentum bonus. Montana De La Rosa is back at 0 with this loss.
| Metric | JJ Aldrich | Montana De La Rosa |
|---|---|---|
| Weight Class | Women's Flyweight | Women's Flyweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 1 061 | 994 |
| ELO Change | +19 | -19 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.

