January 22, 2021
Light Heavyweight Bout
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Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Total UFC Fights | 10 | 4 |
| Experience Gap | 6 | -6 |
| Experience ELO | 930 | 973 |
| ELO Change | -35 | +49 |
Marcin Prachnio overcame a 6-fight experience disadvantage (4 vs 10 fights), earning a reward for beating the more seasoned veteran Khalil Rountree Jr..
| Metric | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 977 | 967 |
| ELO Change | -25 | +25 |
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 | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Fight Outcome | Decision - Unanimous | Decision - Unanimous |
| Last Round | 3 | 3 |
| Time of Finish | 5:00 | 5:00 |
| Win Type ELO | 1 092 | 975 |
| ELO Change | -68 | +68 |
Marcin Prachnio 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 | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Significant Strikes Landed | 49 | 102 |
| Significant Strikes Attempted | 148 | 216 |
| Total Strikes Landed | 50 | 105 |
| Knockdowns Scored | 0 | 0 |
| Striking ELO | 1 096 | 858 |
| ELO Change | -74 | +74 |
Marcin Prachnio dominated the striking exchanges with 105 vs 50 total strikes, 102 vs 49 significant strikes, 47.2% vs 33.1% accuracy. Marcin Prachnio capitalized on this striking dominance.
| Metric | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Takedowns Landed | 0 | 0 |
| Takedowns Attempted | 0 | 2 |
| Ground Control Time | 0:00 | 0:05 |
| Ground Strikes Landed | 0 | 0 |
| Ground ELO | 939 | 896 |
| ELO Change | -27 | +27 |
Minimal ground action with brief exchanges. The low volume resulted in modest ground adjustments.
| Metric | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Days Since Last Fight | 484 | 155 |
| Activity ELO | 1 047 | 1 001 |
| ELO Change | -28 | +49 |
Marcin Prachnio demonstrated solid activity levels with 155 days since his last fight, earning a moderate activity bonus for consistent scheduling. As the winner, Marcin Prachnio capitalized on this activity level, while Khalil Rountree Jr.'s 484-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Win Streak | 0 | 1 |
| Win Streak ELO | 988 | 972 |
| ELO Change | -25 | +28 |
Marcin Prachnio started a new win streak, earning a momentum bonus. Khalil Rountree Jr. is back at 0 with this loss.
| Metric | Khalil Rountree Jr. | Marcin Prachnio |
|---|---|---|
| Weight Class | Light Heavyweight | Light Heavyweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 976 | 967 |
| ELO Change | -25 | +25 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.

