No Turning Back
The Big Bang, Pierce O’Leary, will once again be the star turn at the 3Arena in his home city of Dublin, when he goes up against Mark Chamberlain in a first defence of his IBO world super lightweight title.
August 1, 2026
Queensberry Promotions, DAZN
21 people
Pierce O'Leary
Self
Acting
Mark Chamberlain
Self
Acting
Royston Barney Smith
Self
Acting
Reece Bellotti
Self
Acting
Gary Cully
Self
Acting
Lee Reeves
Self
Acting
Steven Cairns
Self
Acting
Senan Kelly
Self
Acting
Ben Fail
Self
Acting
Craig O'Brien
Self
Acting
Sean McComb
Self
Acting
Miguel Cesario Antin
Self
Acting
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