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Kill The Body

and the head will die

Rocky Kansas vs Shamus O'Brien — record, stats and common opponents compared

🇺🇸LIGHTWEIGHT

Rocky Kansas

Shamus O'Brien

Rocky Kansas (123-27-15) and Shamus O'Brien (3-7 across 10 tracked bouts) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share 3 common opponents.

Kansas

123

Wins38 KO · 31%

27

Losses

15

Draws165 tracked bouts

O'Brien

Tracked record

3–7

counted from 10 bouts Kill The Body has ingested

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

Kansas leads 1–0

Rocky Kansas and Shamus O'Brien have met 1 time; Kansas leads 1–0.

Rocky Kansas and Shamus O'Brien have met 1 time; Kansas leads 1–0.
Met1916Sep 11Series
Rocky KansasFighter AWWon1–0W–L
Shamus O'BrienFighter BLLost0–1W–L
ResultNWS1Meeting

The Numbers

Kansas 6 · O'Brien 1 of 7 measurable rows
KansasO'Brien
Record†
123-27-15 (edge)3-7
Win %0–100%
79.1% (edge)
30%
Wins by knockoutmax 38
38 (edge)
0
KO ratenot comparable
30.89%—
Stoppage rate (tracked wins)‡0–100%
31% (edge)
0%
Times stopped‡max 3
3
1 (edge)
Title reignsmax 2
2 (edge)
0
Bouts per year§max 7.6
7.6 (edge)
1.5
Bouts trackedcoveragemax 165
165
10

† 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
Rocky Kansas: Died aged 60
Shamus O'Brien: No date of birth
Stance
Rocky Kansas: Orthodox
Shamus O'Brien: Not recorded

Rocky Kansas left, Shamus 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
Rocky Kansas123 wins · from 165 tracked bouts

Rocky Kansas: 123 tracked wins — 38 by KO/TKO (31%), 26 on the cards (21%) and 59 by another method or unrecorded (48%). Counted from 165 bouts Kill The Body has ingested.

38 by KO/TKO 31%26 on the cards 21%59 by another method or unrecorded 48%

Shamus O'Brien3 wins · from 10 tracked bouts

Shamus O'Brien: 3 tracked wins — 3 by another method or unrecorded (100%). Counted from 10 bouts Kill The Body has ingested.

3 by another method or unrecorded 100%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Rocky Kansas 165, Shamus O'Brien 10 — not from a career-complete method table.

Common Opponents

3 shared

3 shared · Kansas better on 1 · O'Brien better on 2

Kansas

Opponent

O'Brien

  • Rocky Kansas

    2–3–1 against

    Win, UD

    1924

    Loss, NWS

    1921

    Draw, PTS

    1918

    Loss, PTS

    1917

    Loss, NWS

    1915

    Win, NWS

    1914

    DundeeO'Brien better

    Shamus O'Brien

    Loss, PTS

    1922

  • Rocky Kansas

    3–0 against

    Win, PTS

    1920

    Win, NWS

    1917

    Win, NWS

    1917

    ChaneyKansas better

    Shamus O'Brien

    1–2 against

    Loss, NWS

    1922

    Loss, PTS

    1922

    Win, NWS

    1922

  • Rocky Kansas

    0–4 against

    Loss, TKO 8

    1922

    Loss, UD

    1922

    Loss, NWS

    1921

    Loss, NWS

    1916

    LeonardO'Brien better

    Shamus O'Brien

    0–2 against

    Loss, TKO 7

    1916

    Loss, NWS

    1916

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

Rocky Kansas has lost three straight, after two straight wins. Kansas last boxed on Sep 30, 1932.WWLLL

Jacks Mar 1926Tiplitz Mar 1926Moran Apr 1926Mandell Jul 1926Trippe Sep 19327.6 tracked bouts per year

Shamus O'Brien last boxed on Oct 9, 1922 — 38,002 days ago. O'Brien had lost three straight, after one straight win.LWLLL

Walker Aug 1921Chaney Mar 1922Chaney Apr 1922Dundee Jul 1922Chaney Oct 19221.5 tracked bouts per year

Common Questions

With the rows behind them
Have Rocky Kansas and Shamus O'Brien ever fought each other?
Yes. Rocky Kansas and Shamus O'Brien met once on September 11, 1916, and Rocky Kansas won by NWS.
The meeting

WSep 11, 1916 · Kansas · NWS

Head to Head ↓
Who has the better record, Kansas or O'Brien?
Rocky Kansas is 123-27-15 and Shamus O'Brien is 3-7 across the 10 bouts Kill The Body has tracked. Rocky Kansas has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Kansas123–27–1579.1%

O'Brien3–730%

The Numbers ↓
Who has more knockouts, Kansas or O'Brien?
Rocky Kansas has 38 knockout wins and Shamus O'Brien has 0. Rocky Kansas has more.
Knockout wins · KO rate

Kansas3830.9%

O'Brien0

The Numbers ↓
Do Kansas and O'Brien have any common opponents?
Rocky Kansas and Shamus O'Brien share 3 common opponents: Johnny Dundee, George Chaney and Benny Leonard. Shamus O'Brien fared better against 2 of them.
3 shared opponents

Johnny Dundee2–3–1L

George ChaneyW1–2

Benny LeonardLL

Common Opponents ↓
How much fight data does Kill The Body have on Kansas and O'Brien?
This comparison is drawn from 165 bouts tracked for Rocky Kansas and 10 bouts tracked for Shamus O'Brien. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Kansas165bouts

O'Brien10bouts

How They Win ↓

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