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.
Jack Mahoney (0-1-2 across 4 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 once. They share no common opponents in Kill The Body's bout data.
Jack Mahoney vs Philadelphia Jack O'Brien — record, stats and common opponents compared
Head to Head
Philadelphia Jack O'Brien leads 1–0- Philadelphia Jack O'Brien wonO'Brien vs MahoneyMay 25, 1900 · PTS
The Numbers
- 0-1-2
- Record
- 147-16-24 (edge)
- 33.3%
- Win %
- 85% (edge)
- 0
- Wins by knockout
- 55 (edge)
- —
- KO rate
- 37.41%
- —
- Stoppage rate (tracked wins)
- 37%
- 0 (edge)
- Times stopped
- 3
- 0
- Title reigns
- 0
- 2.8
- Bouts per year
- 13 (edge)
- 4
- 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 onlyJack Mahoney · 0 wins
No tracked wins yet.
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 (4 and 190 respectively), not from a career-complete method table.
Common Opponents
No opponents in common across the bouts Kill The Body has tracked for these two.
Current Form
Jack Mahoney
NCLDD
No active streak · last fought Dec 27, 1900
Philadelphia Jack O'Brien
LLLWL
L3 streak · last fought Aug 15, 1911
Common Questions
- Have Jack Mahoney and Philadelphia Jack O'Brien ever fought each other?
- Yes. Jack Mahoney and Philadelphia Jack O'Brien met once on May 25, 1900, and Philadelphia Jack O'Brien won by PTS.
- Who has the better record, Jack Mahoney or Philadelphia Jack O'Brien?
- Jack Mahoney is 0-1-2 across the 4 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, Jack Mahoney or Philadelphia Jack O'Brien?
- Jack Mahoney has 0 knockout wins and Philadelphia Jack O'Brien has 55. Philadelphia Jack O'Brien has more.
- Do Jack Mahoney and Philadelphia Jack O'Brien have any common opponents?
- Kill The Body's bout data shows no opponents that both Jack Mahoney and Philadelphia Jack O'Brien have faced.
- How much fight data does Kill The Body have on Jack Mahoney and Philadelphia Jack O'Brien?
- This comparison is drawn from 4 bouts tracked for Jack Mahoney and 190 bouts tracked for Philadelphia Jack O'Brien. Method and activity splits reflect those bouts only.