Heads up: at least one of these records is a tracked record — the wins and losses Kill The Body has ingested so far, not an independently verified career total. Treat the comparison as a read on the bouts we hold, not a settled ledger.
Jim Jeffords (1-14 across 15 tracked bouts) and Philadelphia Jack O'Brien (147-16-24) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met 5 times. They share 1 common opponent.
Jim Jeffords vs Philadelphia Jack O'Brien — record, stats and common opponents compared
Head to Head
Philadelphia Jack O'Brien leads 5–0- Philadelphia Jack O'Brien wonO'Brien vs JeffordsOct 21, 1904 · KO · R3
- Philadelphia Jack O'Brien wonO'Brien vs JeffordsDec 24, 1903 · NWS
- Philadelphia Jack O'Brien wonO'Brien vs JeffordsJul 11, 1903 · NWS
- Philadelphia Jack O'Brien wonO'Brien vs JeffordsMar 9, 1903 · PTS
- Philadelphia Jack O'Brien wonO'Brien vs JeffordsOct 23, 1902 · NWS
The Numbers
- 1-14
- Record
- 147-16-24 (edge)
- 6.7%
- Win %
- 85% (edge)
- 1
- Wins by knockout
- 55 (edge)
- —
- KO rate
- 37.41%
- 100% (edge)
- Stoppage rate (tracked wins)
- 37%
- 7
- Times stopped
- 3 (edge)
- 0
- Title reigns
- 0
- 1.8
- Bouts per year
- 13 (edge)
- 15
- Bouts tracked
- 190
One or both records are tracked, not career-verified.
Counted from bouts Kill The Body has ingested, not a career total.
Counted from bouts Kill The Body has ingested, not a career total.
Across each fighter's tracked career span.
Tale of the Tape
- —
- Age
- 148
- —
- Stance
- Orthodox
- —
- Division
- Heavyweight
- —
- Nationality
- American
How They Win
Tracked bouts onlyJim Jeffords · 1 wins
KO/TKO
1
Decision
0
Other
0
Philadelphia Jack O'Brien · 149 wins
KO/TKO
55
Decision
30
Other
64
Counted from the bouts Kill The Body has ingested for each fighter (15 and 190 respectively), not from a career-complete method table.
Common Opponents
1 sharedShared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.
Current Form
Jim Jeffords
LLLLL
L14 streak · last fought Jan 27, 1908
Philadelphia Jack O'Brien
LLLWL
L3 streak · last fought Aug 15, 1911
Common Questions
- Have Jim Jeffords and Philadelphia Jack O'Brien ever fought each other?
- Yes. Jim Jeffords and Philadelphia Jack O'Brien have met 5 times and Philadelphia Jack O'Brien leads the series 5-0.
- Who has the better record, Jim Jeffords or Philadelphia Jack O'Brien?
- Jim Jeffords is 1-14 across the 15 bouts Kill The Body has tracked and Philadelphia Jack O'Brien is 147-16-24. Philadelphia Jack O'Brien has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Jim Jeffords or Philadelphia Jack O'Brien?
- Jim Jeffords has 1 knockout win and Philadelphia Jack O'Brien has 55. Philadelphia Jack O'Brien has more.
- Do Jim Jeffords and Philadelphia Jack O'Brien have any common opponents?
- Jim Jeffords and Philadelphia Jack O'Brien share 1 common opponent: Jack Johnson. Philadelphia Jack O'Brien fared better against 1 of them.
- How much fight data does Kill The Body have on Jim Jeffords and Philadelphia Jack O'Brien?
- This comparison is drawn from 15 bouts tracked for Jim Jeffords and 190 bouts tracked for Philadelphia Jack O'Brien. Method and activity splits reflect those bouts only.