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Kill The Body

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Pierce O'Leary vs Siar Ozgul — record, stats and common opponents compared

🇮🇪IRELAND

Pierce O'Leary

Siar Ozgul

Pierce O'Leary (19-1) and Siar Ozgul (0-5 across 5 tracked bouts) 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.

O'Leary

19

Wins11 KO · 58%

1

Loss

0

Draws20 tracked bouts

Ozgul

Tracked record

0–5

counted from 5 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

O'Leary leads 1–0

Pierce O'Leary and Siar Ozgul have met 1 time; O'Leary leads 1–0.

Pierce O'Leary and Siar Ozgul have met 1 time; O'Leary leads 1–0.
Met2021Oct 29Series
Pierce O'LearyFighter AWWon1–0W–L
Siar OzgulFighter BLLost0–1W–L
ResultTKOR71Meeting

The Numbers

O'Leary 5 · Ozgul 0 of 5 measurable rows
O'LearyOzgul
Record†
19-1 (edge)0-5
Win %0–100%
95% (edge)
0%
Wins by knockoutmax 11
11 (edge)
0
KO ratenot comparable
57.89%—
Stoppage rate (tracked wins)‡not comparable
58%—
Times stopped‡max 2
1 (edge)
2
Title reignslevelmax 0
0
0
Bouts per year§max 2.9
2.9 (edge)
1.7
Bouts trackedcoveragemax 20
20
5

† 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

Heightnot held
Pierce O'Leary: 5′8″
Siar Ozgul: No height on file
Agenot held
Pierce O'Leary: 26
Siar Ozgul: No date of birth
Stance
Pierce O'Leary: Orthodox
Siar Ozgul: Not recorded

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

How They Win

Tracked bouts only
Pierce O'Leary19 wins · from 20 tracked bouts

Pierce O'Leary: 19 tracked wins — 11 by KO/TKO (58%) and 8 on the cards (42%). Counted from 20 bouts Kill The Body has ingested.

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

Siar Ozgul0 wins · from 5 tracked bouts

Siar Ozgul: no tracked wins in the 5 bouts Kill The Body has ingested.

No tracked wins for Ozgul yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Pierce O'Leary 20, Siar Ozgul 5 — 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

Pierce O'Leary had won four in a row before losing by stoppage to Mark Chamberlain. O'Leary last boxed on Aug 1, 2026 — 81 days ago.WWWWL

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

Siar Ozgul last boxed on Oct 29, 2021 — 1,818 days ago. Ozgul had lost five straight.LLLLL

Postol Nov 2018Yigit Jun 2019McComb Aug 2020Donovan Feb 2021O'Leary Oct 20211.7 tracked bouts per year

Common Questions

With the rows behind them
Have Pierce O'Leary and Siar Ozgul ever fought each other?
Yes. Pierce O'Leary and Siar Ozgul met once on October 29, 2021, and Pierce O'Leary won by TKO in round 7.
The meeting

WOct 29, 2021 · O'Leary · TKO R7

Head to Head ↓
Who has the better record, O'Leary or Ozgul?
Pierce O'Leary is 19-1 and Siar Ozgul is 0-5 across the 5 bouts Kill The Body has tracked. Pierce O'Leary has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

O'Leary19–195%

Ozgul0–50%

The Numbers ↓
Who has more knockouts, O'Leary or Ozgul?
Pierce O'Leary has 11 knockout wins and Siar Ozgul has 0. Pierce O'Leary has more.
Knockout wins · KO rate

O'Leary1157.9%

Ozgul0

The Numbers ↓
Do O'Leary and Ozgul have any common opponents?
Kill The Body's bout data shows no opponents that both Pierce O'Leary and Siar Ozgul have faced.
How much fight data does Kill The Body have on O'Leary and Ozgul?
This comparison is drawn from 20 bouts tracked for Pierce O'Leary and 5 bouts tracked for Siar Ozgul. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

O'Leary20bouts

Ozgul5bouts

How They Win ↓

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