Pierce O'Leary suffered his first professional loss when Mark Chamberlain halted him in the 10th round of their super-lightweight clash in Dublin. O'Leary rallied after being floored twice early but was stopped by a right hand from Chamberlain. The fight, held at 3Arena, saw O'Leary drop Chamberlain in the second and seventh rounds before the latter's decisive strike.

O'Leary, despite a spirited comeback, acknowledged Chamberlain's superiority: "Mark was the better man." Chamberlain, returning from a draw with Jack Rafferty, praised O'Leary's resilience: "He'll come again." The Portsmouth fighter emphasized his readiness to face challenges anywhere, including against a champion.

Chamberlain's aggressive style proved decisive, ending O'Leary's unbeaten record. O'Leary called for a rematch, though Chamberlain noted his focus on future fights. The bout highlighted O'Leary's tenacity and Chamberlain's resurgence.

The result marks a turning point for both fighters. O'Leary seeks redemption, while Chamberlain aims to solidify his career trajectory. Sky Sports reported the thrilling match as a defining moment in their careers.