“Big Bang”

Pierce O'Leary

Record not available

Division
Super-Lightweight · 140lb
From
Ireland
Stance
orthodox
Height
173cm

Pierce O'Leary, known as Big Bang, is an Ireland super-lightweight. They next fight Mark Chamberlain on 1 August 2026 at 3Arena. Below is the full professional record we hold for Pierce O'Leary, current world ratings and every story we have published about them.

Pierce O'Leary next fight

Pierce O'Leary next fights Mark Chamberlain on 1 August 2026 at 3Arena, Dublin. The bout is scheduled for 12 rounds at super-lightweight. We will update this page as soon as a ring walk time is confirmed.

Red corner

PierceO'Leary

“Big Bang”

Record unavailable

IE

Blue corner

MarkChamberlain

“Thunder”

17-1-1

EN

Super-Lightweight · 140lb12 rounds

Pierce O'Leary professional record

We do not yet hold a verified professional record for Pierce O'Leary. Bouts we have on file are listed below.

No completed bouts are recorded yet.

Where Pierce O'Leary ranks

Latest Pierce O'Leary news

Pierce O'Leary frequently asked questions

What is Pierce O'Leary's record?
We do not yet hold a verified professional record for Pierce O'Leary. The bouts we have on file are listed above, and the record is added once it can be confirmed against an official source.
Who does Pierce O'Leary fight next?
Pierce O'Leary next fights Mark Chamberlain on 1 August 2026 at 3Arena.
Where is Pierce O'Leary ranked?
Pierce O'Leary is rated number 7 by the WBC at super-lightweight, and number 10 by the IBF at super-lightweight.