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Peter Maher (142-28-6) 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.

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

Head to Head

Philadelphia Jack O'Brien leads 2–0

The Numbers

142-28-6
Record
147-16-24 (edge)
82.4%
Win %
85% (edge)
107 (edge)
Wins by knockout
55
75.35% (edge)
KO rate
37.41%
50% (edge)
Stoppage rate (tracked wins)
37%

Counted from bouts Kill The Body has ingested, not a career total.

8
Times stopped
3 (edge)

Counted from bouts Kill The Body has ingested, not a career total.

0
Title reigns
0
0.9
Bouts per year
13 (edge)

Across each fighter's tracked career span.

17
Bouts tracked
190

Tale of the Tape

157
Age
148
Orthodox
Stance
Orthodox
Division
Heavyweight
Irish
Nationality
American

How They Win

Tracked bouts only

Peter Maher · 4 wins

KO/TKO
2
Decision
1
Other
1

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 (17 and 190 respectively), not from a career-complete method table.

Common Opponents

4 shared
  • Peter Maher

    LKO R2 · Jul 1908LKO R5 · Jan 1900

    Kid McCoy

    Philadelphia Jack O'Brien

    DNWS · May 1904
  • Peter Maher

    LKO R2 · Apr 1907

    Marvin Hart

    Philadelphia Jack O'Brien

    LNWS · May 1903WNWS · Nov 1902
  • Peter Maher

    LKO · Feb 1896LRTD · Mar 1892

    Bob Fitzsimmons

    Philadelphia Jack O'Brien

    WRTD R13 · Dec 1905LNWS · Jul 1904
  • Peter Maher

    LKO R2 · Jan 1903LPTS · Feb 1900WKO R6 · Nov 1896

    Joe Choynski

    Philadelphia Jack O'Brien

    WNWS · Mar 1903WPTS · Sep 1902WPTS · Sep 1901

Shared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.

Current Form

Peter Maher

LLLLL

L6 streak · last fought Jul 24, 1908

Philadelphia Jack O'Brien

LLLWL

L3 streak · last fought Aug 15, 1911

Common Questions

Have Peter Maher and Philadelphia Jack O'Brien ever fought each other?
Yes. Peter Maher and Philadelphia Jack O'Brien have met 2 times and Philadelphia Jack O'Brien leads the series 2-0.
Who has the better record, Peter Maher or Philadelphia Jack O'Brien?
Peter Maher is 142-28-6 and Philadelphia Jack O'Brien is 147-16-24. Philadelphia Jack O'Brien has the higher win percentage.
Who has more knockouts, Peter Maher or Philadelphia Jack O'Brien?
Peter Maher has 107 knockout wins and Philadelphia Jack O'Brien has 55. Peter Maher has more.
Do Peter Maher and Philadelphia Jack O'Brien have any common opponents?
Peter Maher and Philadelphia Jack O'Brien share 4 common opponents: Kid McCoy, Marvin Hart and Bob Fitzsimmons (and 1 other). Philadelphia Jack O'Brien fared better against 4 of them.
How much fight data does Kill The Body have on Peter Maher and Philadelphia Jack O'Brien?
This comparison is drawn from 17 bouts tracked for Peter Maher and 190 bouts tracked for Philadelphia Jack O'Brien. Method and activity splits reflect those bouts only.

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