Have Liam Dillon and Pierce O'Leary ever fought each other?

Yes. Liam Dillon and Pierce O'Leary met once on June 7, 2025, and Pierce O'Leary won by UD.

Who has the better record, Dillon or O'Leary?

Liam Dillon is 16-6-1 and Pierce O'Leary is 19-1. Pierce O'Leary has the higher win percentage.

Who has more knockouts, Dillon or O'Leary?

Liam Dillon has 3 knockout wins and Pierce O'Leary has 11. Pierce O'Leary has more.

Do Dillon and O'Leary have any common opponents?

Kill The Body's bout data shows no opponents that both Liam Dillon and Pierce O'Leary have faced.

Who is bigger, Dillon or O'Leary?

Pierce O'Leary is the taller fighter at 173 cm, 3 cm above the other.

How much fight data does Kill The Body have on Dillon and O'Leary?

This comparison is drawn from 7 bouts tracked for Liam Dillon and 20 bouts tracked for Pierce O'Leary. Method and activity splits reflect those bouts only.

Liam Dillon vs Pierce O'Leary — Records, Stats & Common Opponents

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Liam Dillon (16-6-1) and Pierce O'Leary (19-1) 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.

Dillon

Wins3 KO · 19%

Losses

Draw7 tracked bouts

O'Leary

Wins11 KO · 58%

Loss

Draws20 tracked bouts

Head to Head

O'Leary leads 1–0

Liam Dillon and Pierce O'Leary have met 1 time; O'Leary leads 1–0.
Met	2025Jun 7	Series
Liam DillonFighter A	LLost	0–1W–L
Pierce O'LearyFighter B	WWon	1–0W–L
Result	UDO'Leary vs Dillon	1Meeting

O'Leary vs Dillon · Jun 7, 2025

The Numbers

Dillon 1 · O'Leary 6 of 7 measurable rows

DillonEdge = longer wingO'Leary

Record: 16-6-119-1 (edge)
Win %0–100%: 71.7%
95% (edge)
Wins by knockoutmax 11: 3
11 (edge)
KO rate0–100%: 18.75%
57.89% (edge)
Stoppage rate (tracked wins)^†0–100%: 0%
58% (edge)
Times stopped^†max 1: 0 (edge)
1
Title reignslevelmax 0: 0
0
Bouts per year^‡max 2.9: 0.8
2.9 (edge)
Bouts trackedcoveragemax 20: 7
20

† 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

Height+1″: Liam Dillon: 5′7″; Pierce O'Leary: 5′8″ (edge)
Age4 yrs apart: Liam Dillon: 30; Pierce O'Leary: 26
Stance: Liam Dillon: Orthodox; Pierce O'Leary: Orthodox

Liam Dillon left, Pierce O'Leary right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only

Liam Dillon2 wins · from 7 tracked bouts

2 on the cards 100%

Pierce O'Leary19 wins · from 20 tracked bouts

11 by KO/TKO 58%8 on the cards 42%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Liam Dillon 7, Pierce O'Leary 20 — 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

Liam Dillon has lost four straight, after one straight win. Dillon last boxed on Jun 20, 2026 — 120 days ago.WLLLL

Ashfaq Jul 2023Bellotti Feb 2024Garner May 2024O'Leary Jun 2025Guruli Jun 20260.8 tracked bouts per year

Pierce O'Leary had won four in a row before losing by stoppage to Mark Chamberlain. O'Leary last boxed on Aug 1, 2026 — 78 days ago.WWWWL

Perdomo Dec 2024Dillon Jun 2025Ronner Dec 2025Hughes Mar 2026Chamberlain Aug 20262.9 tracked bouts per year

Common Questions

With the rows behind them

Have Liam Dillon and Pierce O'Leary ever fought each other?: Yes. Liam Dillon and Pierce O'Leary met once on June 7, 2025, and Pierce O'Leary won by UD.
Who has the better record, Dillon or O'Leary?: Liam Dillon is 16-6-1 and Pierce O'Leary is 19-1. Pierce O'Leary has the higher win percentage.
Who has more knockouts, Dillon or O'Leary?: Liam Dillon has 3 knockout wins and Pierce O'Leary has 11. Pierce O'Leary has more.
Do Dillon and O'Leary have any common opponents?: Kill The Body's bout data shows no opponents that both Liam Dillon and Pierce O'Leary have faced.
Who is bigger, Dillon or O'Leary?: Pierce O'Leary is the taller fighter at 173 cm, 3 cm above the other.
How much fight data does Kill The Body have on Dillon and O'Leary?: This comparison is drawn from 7 bouts tracked for Liam Dillon and 20 bouts tracked for Pierce O'Leary. Method and activity splits reflect those bouts only.

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Liam Dillon vs Pierce O'Leary — record, stats and common opponents compared

Liam Dillon

Pierce O'Leary