Result
Jon JonesSubmission
MethodSubmission
Round1
Time00:02:43
Elo swing-26Jake O'Brien (1691 → 1665)
DateJul 11, 2009
DivisionLight Heavyweight
StatusCompleted
VenueMandalay Bay Events Center
BroadcastESPN+
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W
Bones | 28-1-0Jon Jones
L
15-4-0Jake O'Brien
Jon Jones vs Jake O'Brien
Method :Submission
Round :1
Time :00:02:43
Time format :Pending
Referee :Pending
Details :Pending
Jon Jones
Elo1906Elite
3Y trend1896 → 1906
Fight Overview
Round1
Time00:02:43
MethodSubmission
Jake O'Brien
Elo1692Good
3Y trend1676 → 1692
What changed?
Checked daily by Combat Edge. Times show when we recorded an update, not when it was announced.
Combat Edge Intelligence
Fight Intelligence
Jon Jones won this fight by Submission in round 1 at 00:02:43. Jon Jones led more tracked fight-stat categories from the recorded round totals. Attempt-rate stats such as 1 of 4 takedowns require attempt fields from the legacy API before Combat Edge can calculate them accurately.
Compare Jon Jones and Jake O'Brien across their careers →Elo Recent career Elo trajectory
Recent three-year Elo paths for both fighters. Ratings shown here are current career context; the event-specific prediction or verified result remains on this Fight page.
Jon JonesJake O'Brien
Elo edge
Jon Jones1906+10 last move
Jake O'Brien1692+11 last move
Why they are ranked here
Jon Jones#1 of 184 active Heavyweight fighters · 1906 Elo
- Biggest gain
- Beat Daniel Cormier (rated 1832 at the time): +17.
- Last 5 fights
- 5 wins, 0 losses, +45 Elo in total.
- Next places
- 52 ahead of #2 Francis Ngannou.
- Inactivity
- Placed on 1892, not 1906: 14 points are held back after more than 18 months without a fight, until the next one.
Jake O'BrienNot on the active ladder · 1692 Elo
- Biggest gain
- Beat Andrei Arlovski (rated 1657 at the time): +18.
- Costliest loss
- Lost to Cain Velasquez (rated 1532 at the time): -30.
- Last 5 fights
- 4 wins, 1 loss, +28 Elo in total.
- Inactivity
- Placed on 1602, not 1692: 90 points are held back after more than 18 months without a fight, until the next one.
Every rated fight moves a rating by an amount set by the opponent's rating at the time, the result and how it ended. Places are counted among fighters active in the last 24 months. How the rating is calculated
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Recorded fight totals
Jon JonesvsJake O'Brien
Total strikes
25vs11
Sig. strikes
25vs11
Sub. attempts
1vs0
Finishing profile
Jon JonesKO/TKO leads 39% of wins
Jake O'BrienKO/TKO leads 47% of wins
Common opponents
No clean shared-opponent match found in tracked pro MMA history.
Round stats
Jon Jones vs Jake O'Brien is a completed Light Heavyweight fight from UFC 100 : LESNAR VS MIR. Jon Jones defeated Jake O'Brien by Submission in round 1 at 00:02:43. Combat Edge lists the result, records, fight stats, Elo context, and links to both fighter profiles.
Jon Jones vs Jake O'Brien quick answers
Who won Jon Jones vs Jake O'Brien?
Jon Jones won Jon Jones vs Jake O'Brien by Submission in round 1 at 00:02:43.
What event is Jon Jones vs Jake O'Brien on?
Jon Jones vs Jake O'Brien is listed on UFC 100 : LESNAR VS MIR.
What are the records for Jon Jones vs Jake O'Brien?
Jon Jones enters with a 28-1-0 record and Jake O'Brien enters with a 15-4-0 record.
What division is Jon Jones vs Jake O'Brien?
Jon Jones vs Jake O'Brien is listed as a Light Heavyweight fight.
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