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Chamberlain vs O'Leary is a boxing event held on August 1, 2026 at 3Arena in Dublin, Ireland, headlining a wikipedia card. The card features 1 bout.

SAT, AUG 1, 2026

WIKIPEDIA

3Arena · Dublin

Chamberlain vs O'Leary

The Full Card

MAINEVENT

CHAMBERLAIN(18–1–1)d.O'Leary(19–1)

TKO · Round 10

10/12 Rounds

Around this card

Saturday, August 1, 2026

On this date

  1. PSAC - Aug 1, 2026 - Harrah's Philadelphia

    psac · Harrah's Philadelphia

  2. Aug 1: Roach Jr. vs Zepeda

    goldenboy

  3. NSAC - Aug 01, 2026 - Virgin Hotel & Casino

    nsac · Virgin Hotel & Casino

Main-event fighters

  1. Mark Chamberlain

    18–1–1

  2. Pierce O'Leary

    19–1