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Kill The Body

and the head will die

Brendan O'Callaghan vs Osleys Iglesias — record, stats and common opponents compared

SUPER MIDDLEWEIGHT

Brendan O'Callaghan

🇨🇺CUBA

Osleys Iglesias

Brendan O'Callaghan (2-2-1 across 5 tracked bouts) and Osleys Iglesias (16-0) are compared on record, finishing method, activity, and common opponents on Kill The Body. They haven't fought, in the fights Kill The Body tracks. They share no common opponents in Kill The Body's bout data.

O'Callaghan

Tracked record

2–2–1

counted from 5 bouts Kill The Body has ingested

Iglesias

16

Wins15 KO · 94%

0

Losses

0

Draws16 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

Brendan O'Callaghan and Osleys Iglesias haven't fought — no bout between them in the fights we track.

Haven't fought

No bout between them in the fights we track.

The Numbers

O'Callaghan 1 · Iglesias 6 of 7 measurable rows
O'CallaghanIglesias
Record†
2-2-116-0 (edge)
Win %0–100%
50%
100% (edge)
Wins by knockoutmax 15
1
15 (edge)
KO ratenot comparable
—93.75%
Stoppage rate (tracked wins)‡0–100%
50%
94% (edge)
Times stopped‡max 1
1
0 (edge)
Title reignsmax 2
0
2 (edge)
Bouts per year§max 3
3 (edge)
2.3
Bouts trackedcoveragemax 16
5
16

† 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
Brendan O'Callaghan: No height on file
Osleys Iglesias: 6′2″
Stance
Brendan O'Callaghan: Not recorded
Osleys Iglesias: Southpaw

Brendan O'Callaghan left, Osleys Iglesias right, as everywhere on this page. Stance is stated, not scored.

How They Win

Tracked bouts only
Brendan O'Callaghan2 wins · from 5 tracked bouts

Brendan O'Callaghan: 2 tracked wins — 1 by KO/TKO (50%) and 1 on the cards (50%). Counted from 5 bouts Kill The Body has ingested.

1 by KO/TKO 50%1 on the cards 50%

Osleys Iglesias16 wins · from 16 tracked bouts

Osleys Iglesias: 16 tracked wins — 15 by KO/TKO (94%) and 1 on the cards (6%). Counted from 16 bouts Kill The Body has ingested.

15 by KO/TKO 94%1 on the cards 6%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Brendan O'Callaghan 5, Osleys Iglesias 16 — 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

Brendan O'Callaghan had won one in a row before losing by stoppage to William Briscoe. O'Callaghan last boxed on Oct 16, 2026 — 6 days ago.LWDWL

Williams Feb 2025Floyd Jun 2025Sosa Dec 2025Brewer Apr 2026Briscoe Oct 20263 tracked bouts per year

Osleys Iglesias has won 16 straight, the most recent against Oliver Zaren. Iglesias last boxed on Oct 8, 2026 — 13 days ago.WWWWW

Agbeko Aug 2024Ivanov Nov 2024Shishkin Sep 2025Silyagin Apr 2026Zaren Oct 20262.3 tracked bouts per year

Common Questions

With the rows behind them
Have Brendan O'Callaghan and Osleys Iglesias ever fought each other?
Brendan O'Callaghan and Osleys Iglesias haven't fought, in the fights Kill The Body tracks.
Who has the better record, O'Callaghan or Iglesias?
Brendan O'Callaghan is 2-2-1 across the 5 bouts Kill The Body has tracked and Osleys Iglesias is 16-0. Osleys Iglesias has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

O'Callaghan2–2–150%

Iglesias16–0100%

The Numbers ↓
Who has more knockouts, O'Callaghan or Iglesias?
Brendan O'Callaghan has 1 knockout win and Osleys Iglesias has 15. Osleys Iglesias has more.
Knockout wins · KO rate

O'Callaghan1

Iglesias1593.8%

The Numbers ↓
Do O'Callaghan and Iglesias have any common opponents?
Kill The Body's bout data shows no opponents that both Brendan O'Callaghan and Osleys Iglesias have faced.
How much fight data does Kill The Body have on O'Callaghan and Iglesias?
This comparison is drawn from 5 bouts tracked for Brendan O'Callaghan and 16 bouts tracked for Osleys Iglesias. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

O'Callaghan5bouts

Iglesias16bouts

How They Win ↓

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