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Kill The Body

and the head will die

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

John Willie

🇺🇸HEAVYWEIGHT

Philadelphia Jack O'Brien

John Willie (0-8-4 across 12 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 2 times. They share 4 common opponents.

Willie

Tracked record

0–8–4

counted from 12 bouts Kill The Body has ingested

O'Brien

147

Wins55 KO · 37%

16

Losses

24

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 2–0

John Willie and Philadelphia Jack O'Brien have met 2 times; O'Brien leads 2–0.

John Willie and Philadelphia Jack O'Brien have met 2 times; O'Brien leads 2–0.
Met1904Nov 91905Feb 1Series
John WillieFighter ALLostLLost0–2W–L
Philadelphia Jack O'BrienFighter BWWonWWon2–0W–L
ResultNWSNWS2Meetings

The Numbers

Willie 0 · O'Brien 4 of 4 measurable rows
WillieO'Brien
Record†
0-8-4147-16-24 (edge)
Win %0–100%
16.7%
85% (edge)
Wins by knockoutmax 55
0
55 (edge)
KO ratenot comparable
—37.41%
Stoppage rate (tracked wins)‡not comparable
—37%
Times stopped‡levelmax 3
3
3
Title reignslevelmax 0
0
0
Bouts per year§max 12.8
2.1
12.8 (edge)
Bouts trackedcoveragemax 188
12
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
John Willie: No date of birth
Philadelphia Jack O'Brien: Died aged 64
Stance
John Willie: Not recorded
Philadelphia Jack O'Brien: Orthodox

John Willie 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
John Willie0 wins · from 12 tracked bouts

John Willie: no tracked wins in the 12 bouts Kill The Body has ingested.

No tracked wins for Willie yet.

Philadelphia Jack O'Brien147 wins · from 188 tracked bouts

Philadelphia Jack O'Brien: 147 tracked wins — 55 by KO/TKO (37%), 29 on the cards (20%) and 63 by another method or unrecorded (43%). Counted from 188 bouts Kill The Body has ingested.

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 — John Willie 12, Philadelphia Jack O'Brien 188 — not from a career-complete method table.

Common Opponents

4 shared

4 shared · O'Brien better on 4

Willie

Opponent

O'Brien

  • John Willie

    0–2 against

    Loss, KO 2

    1909

    Loss, KO 2

    1908

    LangfordO'Brien better

    Philadelphia Jack O'Brien

    Loss, TKO 5

    1911

  • John Willie

    Loss, NWS

    1908

    BlackburnO'Brien better

    Philadelphia Jack O'Brien

    Win, NWS

    1908

  • John Willie

    0–1–1 against

    Loss, DQ 4

    1908

    Draw, PTS

    1904

    HartO'Brien better

    Philadelphia Jack O'Brien

    1–1 against

    Loss, NWS

    1903

    Win, NWS

    1902

  • John Willie

    Loss, KO 4

    1903

    RyanO'Brien better

    Philadelphia Jack O'Brien

    Draw, NWS

    1904

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

John Willie last boxed on Apr 3, 1909 — 42,936 days ago. Willie had lost two straight.LLDLL

Hart Mar 1908Langford Jul 1908Gardiner Sep 1908Blackburn Sep 1908Langford Apr 19092.1 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 John Willie and Philadelphia Jack O'Brien ever fought each other?
Yes. John Willie and Philadelphia Jack O'Brien have met 2 times and Philadelphia Jack O'Brien leads the series 2-0.
The 2 meetings

LFeb 1, 1905 · O'Brien · NWS

LNov 9, 1904 · O'Brien · NWS

Head to Head ↓
Who has the better record, Willie or O'Brien?
John Willie is 0-8-4 across the 12 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.
Records · win %

Willie0–8–416.7%

O'Brien147–16–2485%

The Numbers ↓
Who has more knockouts, Willie or O'Brien?
John Willie has 0 knockout wins and Philadelphia Jack O'Brien has 55. Philadelphia Jack O'Brien has more.
Knockout wins · KO rate

Willie0

O'Brien5537.4%

The Numbers ↓
Do Willie and O'Brien have any common opponents?
John Willie and Philadelphia Jack O'Brien share 4 common opponents: Sam Langford, Jack Blackburn and Marvin Hart (and 1 other). Philadelphia Jack O'Brien fared better against 4 of them.
4 shared opponents

Sam LangfordLL

Jack BlackburnLW

Marvin Hart0–1–11–1

Tommy RyanLD

Common Opponents ↓
How much fight data does Kill The Body have on Willie and O'Brien?
This comparison is drawn from 12 bouts tracked for John Willie and 188 bouts tracked for Philadelphia Jack O'Brien. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Willie12bouts

O'Brien188bouts

How They Win ↓

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