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Harry Greb (261-18-19) and Willie KO Brennan (3-8-3 across 14 tracked bouts) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met 3 times. They share 5 common opponents.

Harry Greb vs Willie KO Brennan — record, stats and common opponents compared

🇺🇸MIDDLEWEIGHT

Harry Greb

261–18–19

300 tracked bouts

Willie KO Brennan

Tracked record

3–8–3

14 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

Harry Greb leads 3–0

The Numbers

261-18-19 (edge)
Record
3-8-3

One or both records are tracked, not career-verified.

90.8% (edge)
Win %
32.1%
49 (edge)
Wins by knockout
0
18.77%
KO rate
—
19% (edge)
Stoppage rate (tracked wins)
0%

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

2
Times stopped
0 (edge)

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

2 (edge)
Title reigns
0
22.6 (edge)
Bouts per year
2.5

Across each fighter's tracked career span.

300
Bouts tracked
14

Tale of the Tape

5′8″ (173 cm)
Height
—
71″ (180 cm)
Reach
—
132
Age
—
Orthodox
Stance
—
Middleweight
Division
—
United States
Nationality
—

How They Win

Tracked bouts only

Harry Greb · 262 wins

KO/TKO
49
Decision
59
Other
154

Willie KO Brennan · 3 wins

KO/TKO
0
Decision
1
Other
2

Counted from the bouts Kill The Body has ingested for each fighter (300 and 14 respectively), not from a career-complete method table.

Common Opponents

5 shared

  • Harry Greb

    WUD · Mar 1922WNWS · Jul 1920LNWS · May 1920LNWS · Nov 1915

    Tommy Gibbons

    Willie KO Brennan

    LNWS · Sep 1913

  • Harry Greb

    WNWS · Jun 1919LNWS · Feb 1917

    Mike Gibbons

    Willie KO Brennan

    LNWS · Dec 1914LPTS · May 1912

  • Harry Greb

    WPTS · May 1918WNWS · Apr 1917

    Al McCoy

    Willie KO Brennan

    WNWS · Oct 1914DNWS · Oct 1913

  • Harry Greb

    WNWS · Mar 1918WNWS · Jul 1917

    Jack Dillon

    Willie KO Brennan

    LNWS · Mar 1913

  • Harry Greb

    WPTS · Nov 1917WNWS · May 1917LNWS · Jun 1916DNWS · Oct 1915

    George Chip

    Willie KO Brennan

    WNWS · Dec 1915DNWS · Dec 1912

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

Current Form

Harry Greb

LWWLW

L1 streak · last fought Aug 19, 1926

Willie KO Brennan

LLLLD

L4 streak · last fought Feb 12, 1917

Common Questions

Have Harry Greb and Willie KO Brennan ever fought each other?
Yes. Harry Greb and Willie KO Brennan have met 3 times and Harry Greb leads the series 3-0.
Who has the better record, Harry Greb or Willie KO Brennan?
Harry Greb is 261-18-19 and Willie KO Brennan is 3-8-3 across the 14 bouts Kill The Body has tracked. Harry Greb has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Who has more knockouts, Harry Greb or Willie KO Brennan?
Harry Greb has 49 knockout wins and Willie KO Brennan has 0. Harry Greb has more.
Do Harry Greb and Willie KO Brennan have any common opponents?
Harry Greb and Willie KO Brennan share 5 common opponents: Tommy Gibbons, Mike Gibbons and Al McCoy (and 2 others). Harry Greb fared better against 3 of them.
How much fight data does Kill The Body have on Harry Greb and Willie KO Brennan?
This comparison is drawn from 300 bouts tracked for Harry Greb and 14 bouts tracked for Willie KO Brennan. Method and activity splits reflect those bouts only.

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