June 24, 2017
Featherweight Bout
Click any category to learn how it's calculated.
Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Total UFC Fights | 25 | 21 |
| Experience Gap | 4 | -4 |
| Experience ELO | 1 065 | 1 137 |
| ELO Change | -31 | +40 |
Dennis Siver overcame a 4-fight experience disadvantage (21 vs 25 fights), earning a reward for beating the more seasoned veteran BJ Penn.
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 1 148 | 1 081 |
| ELO Change | -28 | +28 |
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 | BJ Penn | Dennis Siver |
|---|---|---|
| Fight Outcome | Decision - Majority | Decision - Majority |
| Last Round | 3 | 3 |
| Time of Finish | 5:00 | 5:00 |
| Win Type ELO | 1 270 | 1 209 |
| ELO Change | -22 | +22 |
The Decision - Majority showed mixed judging, with Dennis Siver earning reduced bonuses for the unclear victory margin.
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Significant Strikes Landed | 57 | 103 |
| Significant Strikes Attempted | 107 | 280 |
| Total Strikes Landed | 65 | 120 |
| Knockdowns Scored | 1 | 0 |
| Striking ELO | 1 064 | 1 156 |
| ELO Change | -35 | +35 |
Dennis Siver dominated the striking exchanges with 120 vs 65 total strikes, 103 vs 57 significant strikes, 36.8% vs 53.3% accuracy. Dennis Siver capitalized on this striking dominance.
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Takedowns Landed | 0 | 0 |
| Takedowns Attempted | 0 | 1 |
| Ground Control Time | 2:01 | 0:11 |
| Ground Strikes Landed | 4 | 0 |
| Ground ELO | 1 167 | 1 059 |
| ELO Change | -31 | +31 |
Dennis Siver did not secure a significant ground advantage against BJ Penn on the ground through positional advantages and pressure, with almost no grappling bonus.
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Days Since Last Fight | 161 | 736 |
| Activity ELO | 1 207 | 1 221 |
| ELO Change | -23 | +20 |
Dennis Siver demonstrated extended layoff with 736 days since his last fight, earning reduced bonuses due to inactivity rust. As the winner, Dennis Siver capitalized on this activity level, while BJ Penn's 161-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Win Streak | 0 | 1 |
| Win Streak ELO | 1 077 | 1 113 |
| ELO Change | -22 | +24 |
Dennis Siver started a new win streak, earning a momentum bonus. BJ Penn is back at 0 with this loss.
| Metric | BJ Penn | Dennis Siver |
|---|---|---|
| Weight Class | Featherweight | Featherweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 1 172 | 1 082 |
| ELO Change | -29 | +29 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.
Why It Matters:
Extra bonuses are awarded for title victories and undefeated streaks. These bonuses are only calculated for certain fighters with notable performances. Only UFC champions and undefeated fighters (in the UFC) can receive these bonuses.