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Kill The Body

and the head will die

Roger Leonard vs Sean Mannion — record, stats and common opponents compared

🇺🇸UNITED STATES

Roger Leonard

🇮🇪IRELAND

Sean Mannion

Roger Leonard (1-0 across 1 tracked bout) and Sean Mannion (42-14-1) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share no common opponents in Kill The Body's bout data.

Leonard

Tracked record

1–0

counted from 1 bout Kill The Body has ingested

Mannion

42

Wins

14

Losses

1

Draw57 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

Leonard leads 1–0

Roger Leonard and Sean Mannion have met 1 time; Leonard leads 1–0.

Roger Leonard and Sean Mannion have met 1 time; Leonard leads 1–0.
Met1978Dec 9Series
Roger LeonardFighter AWWon1–0W–L
Sean MannionFighter BLLost0–1W–L
ResultUD1Meeting

The Numbers

Leonard 3 · Mannion 1 of 4 measurable rows
LeonardMannion
Record†
1-0 (edge)42-14-1
Win %0–100%
100% (edge)
74.6%
Wins by knockoutlevelmax 0
0
0
KO ratenot comparable
—0%
Stoppage rate (tracked wins)‡0–100%
0%
33% (edge)
Times stopped‡max 3
0 (edge)
3
Title reignslevelmax 0
0
0
Bouts per year§not comparable
—3.9
Bouts trackedcoveragemax 57
1
57

† 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

Age3 yrs apart
Roger Leonard: 73
Sean Mannion: 70

Roger Leonard left, Sean Mannion right, as everywhere on this page. Age is stated, not scored: younger is not better.

How They Win

Tracked bouts only
Roger Leonard1 win · from 1 tracked bout

Roger Leonard: 1 tracked win — 1 on the cards (100%). Counted from 1 bout Kill The Body has ingested.

1 on the cards 100%

Sean Mannion42 wins · from 57 tracked bouts

Sean Mannion: 42 tracked wins — 14 by KO/TKO (33%), 27 on the cards (64%) and 1 by another method or unrecorded (2%). Counted from 57 bouts Kill The Body has ingested.

14 by KO/TKO 33%27 on the cards 64%1 by another method or unrecorded 2%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Roger Leonard 1, Sean Mannion 57 — not from a career-complete method table.

Common Opponents

No opponents in common across the bouts Kill The Body has tracked for these two.

Current Form

Oldest left · newest right

Roger Leonard last boxed on Dec 9, 1978 — 17,492 days ago. Leonard had won once, the most recent against Sean Mannion.W

Mannion Dec 1978

Sean Mannion last boxed on Mar 17, 1993 — 12,280 days ago. Mannion had won once since losing a decision to Fabian Garcia.LWWLW

Michalczewski Feb 1992O'Han Sep 1992Rosa Dec 1992Garcia Feb 1993Walker Mar 19933.9 tracked bouts per year

Common Questions

With the rows behind them
Have Roger Leonard and Sean Mannion ever fought each other?
Yes. Roger Leonard and Sean Mannion met once on December 9, 1978, and Roger Leonard won by UD.
The meeting

WDec 9, 1978 · Leonard · UD

Head to Head ↓
Who has the better record, Leonard or Mannion?
Roger Leonard is 1-0 across the 1 bout Kill The Body has tracked and Sean Mannion is 42-14-1. Roger Leonard has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Leonard1–0100%

Mannion42–14–174.6%

The Numbers ↓
Do Leonard and Mannion have any common opponents?
Kill The Body's bout data shows no opponents that both Roger Leonard and Sean Mannion have faced.
How much fight data does Kill The Body have on Leonard and Mannion?
This comparison is drawn from 1 bout tracked for Roger Leonard and 57 bouts tracked for Sean Mannion. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Leonard1bout

Mannion57bouts

How They Win ↓

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