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Pierce O'Leary faces Mark Chamberlain for IBO title in Dublin

4 sources • 1 min read • Latest: Aug 2, 2026, 6:46 AM

Last updated Aug 2, 2026

Pierce O'Leary faces Mark Chamberlain for IBO title in Dublin

Summary

Pierce O'Leary competes against Mark Chamberlain on Saturday at the 3Arena for the IBO light-welterweight title. Originally scheduled for March, the bout was postponed due to Chamberlain's chest infection. O'Leary, unbeaten in 19 fights, seeks to defend his title in front of a home crowd, while Chamberlain aims for an upset after a previous fight ended in a draw. Both fighters expressed heightened emotions and competitive tension ahead of their showdown.

Source Links

Yahoo Sports BBC Sport Sky Sports

By the Numbers

•O'Leary fights in Dublin, aiming to protect his unbeaten record.
•Chamberlain has 17 wins and one loss, seeking his first victory over O'Leary.
•Their earlier match was canceled due to Chamberlain's health issues.
•O'Leary previously won against Maxi Hughes in a stoppage victory.
•Chamberlain's last fight ended in a draw with Jack Rafferty.

Latest Updates

10:46 PMYahoo Sports — Chamberlain stuns O'Leary with knockout win in Dublin
10:46 PMBBC Sport — Chamberlain stuns O'Leary with knockout win in Dublin
9:06 AMYahoo Sports — Tension building as O'Leary faces Chamberlain

What they're saying

"
Briton Mark Chamberlain stuns Republic of Ireland's Pierce O'Leary as he dropped him twice on the way to securing a knockout win in the 10th round to claim the IBO light-welterweight belt.
— Yahoo Sports

"
Briton Mark Chamberlain stuns Republic of Ireland's Pierce O'Leary as he dropped him twice on the way to securing a knockout win in the 10th round to claim the IBO light-welterweight belt.
— BBC Sport