Have Jack Bonner and Philadelphia Jack O'Brien ever fought each other?

Yes. Jack Bonner and Philadelphia Jack O'Brien have met 5 times and Philadelphia Jack O'Brien leads the series 4-0.

Who has the better record, Bonner or O'Brien?

Jack Bonner is 2-14-3 across the 19 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, Bonner or O'Brien?

Jack Bonner has 1 knockout win and Philadelphia Jack O'Brien has 55. Philadelphia Jack O'Brien has more.

Do Bonner and O'Brien have any common opponents?

Jack Bonner and Philadelphia Jack O'Brien share 7 common opponents: Jack Blackburn, Bob Fitzsimmons and Kid McCoy (and 4 others). Philadelphia Jack O'Brien fared better against 7 of them.

How much fight data does Kill The Body have on Bonner and O'Brien?

This comparison is drawn from 19 bouts tracked for Jack Bonner and 188 bouts tracked for Philadelphia Jack O'Brien. Method and activity splits reflect those bouts only.

Jack Bonner vs Philadelphia Jack O'Brien — Records, Stats & Common Opponents

Jack Bonner

🇺🇸HEAVYWEIGHT

Philadelphia Jack O'Brien

Jack Bonner (2-14-3 across 19 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 7 common opponents.

Bonner

Tracked record

2–14–3

counted from 19 bouts Kill The Body has ingested

O'Brien

147

Wins55 KO · 37%

Losses

Draws188 tracked bouts

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.

Head to Head

O'Brien leads 4–0

Jack Bonner and Philadelphia Jack O'Brien have met 5 times; O'Brien leads 4–0.
Met	1900Oct 1	1902May 23	1902Jun 16	1903Jun 24	1908Mar 2	Series
Jack BonnerFighter A	LLost	LLost	Result pending	LLost	LLost	0–4W–L
Philadelphia Jack O'BrienFighter B	WWon	WWon	Result pending	WWon	WWon	4–0W–L
Result	NWSO'Brien vs Bonner	NWSO'Brien vs Bonner	NDO'Brien vs Bonner	NWSO'Brien vs Bonner	NWSO'Brien vs Bonner	5Meetings

The Numbers

Bonner 2 · O'Brien 4 of 6 measurable rows

BonnerEdge = longer wingO'Brien

Record^†: 2-14-3147-16-24 (edge)
Win %0–100%: 18.4%
85% (edge)
Wins by knockoutmax 55: 1
55 (edge)
KO ratenot comparable: —37.41%
Stoppage rate (tracked wins)^‡0–100%: 50% (edge)
37%
Times stopped^‡max 3: 1 (edge)
3
Title reignslevelmax 0: 0
0
Bouts per year^§max 12.8: 0.9
12.8 (edge)
Bouts trackedcoveragemax 188: 19
188

† One or both records are tracked, not career-verified. · ‡ Counted from bouts Kill The Body has ingested, not a career total. · § Across each fighter's tracked career span. · Bars are scaled per row — percentages on 0–100, counts against the larger of the two. Every figure is also printed as text.

Tale of the Tape

Agenot held: Jack Bonner: No date of birth; Philadelphia Jack O'Brien: Died aged 64
Stance: Jack Bonner: Not recorded; Philadelphia Jack O'Brien: Orthodox

Jack Bonner left, Philadelphia Jack O'Brien right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only

Jack Bonner2 wins · from 19 tracked bouts

1 by KO/TKO 50%1 by another method or unrecorded 50%

Philadelphia Jack O'Brien147 wins · from 188 tracked bouts

55 by KO/TKO 37%29 on the cards 20%63 by another method or unrecorded 43%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Jack Bonner 19, Philadelphia Jack O'Brien 188 — not from a career-complete method table.

Common Opponents

7 shared

7 shared · O'Brien better on 77 shared · Philadelphia Jack O'Brien better on 7

BonnerJack Bonner

Opponent

O'BrienPhiladelphia Jack O'Brien

Jack Bonner
Loss, NWS
1908Jan 1908
BlackburnJack BlackburnUnited States 117–24–22O'Brien betterPhiladelphia Jack O'Brien better — 1–0 to 0–1
Philadelphia Jack O'Brien
Win, NWS
1908Jun 1908
Jack Bonner
Loss, NWS
1887Feb 1887
FitzsimmonsBob FitzsimmonsUnited States 69–12–14O'Brien betterPhiladelphia Jack O'Brien better — 1–1 to 0–1
Philadelphia Jack O'Brien
1–1 against
Win, RTD 13
1905Dec 1905
Loss, NWS
1904Jul 1904
Jack Bonner
0–2 against
Loss, TKO 13
1900Jun 1900
Loss, NWS
1897May 1897
McCoyKid McCoyUnited States 79–6–11 · MiddleweightO'Brien betterPhiladelphia Jack O'Brien better — 0–0–1 to 0–2
Philadelphia Jack O'Brien
Draw, NWS
1904May 1904
Jack Bonner
0–2 against
Loss, NWS
1898Nov 1898
Loss, PTS
1898Oct 1898
RyanTommy RyanUnited States 87–2–14 · MiddleweightO'Brien betterPhiladelphia Jack O'Brien better — 0–0–1 to 0–2
Philadelphia Jack O'Brien
Draw, NWS
1904Jan 1904
Jack Bonner
Draw, PTS
1898Dec 1898
ByersGeorge ByersCanada 20–8–21 · Light Heavyweight, HeavyweightO'Brien betterPhiladelphia Jack O'Brien better — 1–0 to 0–0–1
Philadelphia Jack O'Brien
Win, NWS
1903May 1903
Jack Bonner
Loss, DQ 4
1903Apr 1903
HartMarvin HartUnited States 28–7–4 · HeavyweightO'Brien betterPhiladelphia Jack O'Brien better — 1–1 to 0–1
Philadelphia Jack O'Brien
1–1 against
Loss, NWS
1903May 1903
Win, NWS
1902Nov 1902
Jack Bonner
0–2 against
Loss, PTS
1901Jul 1901
Loss, NWS
1900May 1900
WalcottBarbados Joe WalcottBarbados 96–31–27 · WelterweightO'Brien betterPhiladelphia Jack O'Brien better — 1–0–1 to 0–2
Philadelphia Jack O'Brien
1–0–1 against
Draw, PTS
1903Apr 1903
Win, NWS
1902Apr 1902

Both sides are set at the same size on purpose. Kill The Body does not score a second-round knockout above a split decision — the edge counts losses first and wins as the tiebreak, and the rest is yours to argue. Shared opponents are matched on fighter identity, not on name, so two different fighters with the same name never merge into one row.

Current Form

Oldest left · newest right

Jack Bonner last boxed on Mar 2, 1908 — 43,332 days ago. Bonner had lost nine straight.LLLLL

O'Brien May 1902Hart Apr 1903O'Brien Jun 1903Blackburn Jan 1908O'Brien Mar 19080.9 tracked bouts per year

Philadelphia Jack O'Brien has lost three straight, after one straight win. O'Brien last boxed on Aug 15, 1911.LWLLL

Kaufman Apr 1910Schreck May 1910Koch Jun 1910Ramsey Nov 1910Langford Aug 191112.8 tracked bouts per year

Common Questions

With the rows behind them

Have Jack Bonner and Philadelphia Jack O'Brien ever fought each other?: Yes. Jack Bonner and Philadelphia Jack O'Brien have met 5 times and Philadelphia Jack O'Brien leads the series 4-0.
Who has the better record, Bonner or O'Brien?: Jack Bonner is 2-14-3 across the 19 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, Bonner or O'Brien?: Jack Bonner has 1 knockout win and Philadelphia Jack O'Brien has 55. Philadelphia Jack O'Brien has more.
Do Bonner and O'Brien have any common opponents?: Jack Bonner and Philadelphia Jack O'Brien share 7 common opponents: Jack Blackburn, Bob Fitzsimmons and Kid McCoy (and 4 others). Philadelphia Jack O'Brien fared better against 7 of them.
How much fight data does Kill The Body have on Bonner and O'Brien?: This comparison is drawn from 19 bouts tracked for Jack Bonner and 188 bouts tracked for Philadelphia Jack O'Brien. Method and activity splits reflect those bouts only.

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Jack Bonner vs Philadelphia Jack O'Brien — record, stats and common opponents compared

Jack Bonner

Philadelphia Jack O'Brien