Alan O'brien ha affrontato 100 avversari durante tutta la sua carriera.

Player Team(s) Games
Roman Albrecht
U18 Switzerland (Euro U18 B)
1
Keith Anderson
Killester (IRE-1)
1
Raul Birenbaum
U18 Luxembourg (Euro U18 B)
1
Neil Campbell
UL Eagles (IRE-1)
1
Alan Casey
Killester (IRE-1)
1
Alexey Chigrinov
U18 Ukraine (Euro U18 B)
1
Michael Chubb
DCU Saints (IRE-1)
1
Robbie Clarke
Killester (IRE-1)
1
Eoin Darling
DCU Saints (IRE-1)
1
Andrew Dawson
UL Eagles (IRE-1)
1
Stephen Dawson 1
Guillermo Dekker
U18 Netherlands (Euro U18 B)
1
Emmet Donnelly
DCU Saints (IRE-1)
1
James Donnelly
DCU Saints (IRE-1)
1
Michael Dougherty 1
Igor Dranchenko
U18 Ukraine (Euro U18 B)
1
Yann Fasbender
U18 Luxembourg (Euro U18 B)
1
Joel Fuchs
U18 Switzerland (Euro U18 B)
1
Yann Fux
U18 Luxembourg (Euro U18 B)
1
Matisse Gaillard
U18 Netherlands (Euro U18 B)
1
Pat Glover
DCU Saints (IRE-1)
1
Louis Haas
U18 Luxembourg (Euro U18 B)
1
Matthew Hall
UL Eagles (IRE-1)
1
Michael Hennebry
Killester (IRE-1)
1
Yann Herrmann
U18 Luxembourg (Euro U18 B)
1
Dino Hodzic 1
Aidan Holden
UL Eagles (IRE-1)
1
Aeneas Hurlimann
U18 Switzerland (Euro U18 B)
1
Adnan Husika 1
Dejan Jeftic 1
Conor Johnston 1
Christopher Jones
U18 Luxembourg (Euro U18 B)
1
Patrick Kelly
Killester (IRE-1)
1
Mohammed Kherrazi
U18 Netherlands (Euro U18 B)
1
Scott Kinevane
UL Eagles (IRE-1)
1
Stephen King
UL Eagles (IRE-1)
1
Aldin Klinac 1
Luuk Kortekaas
U18 Netherlands (Euro U18 B)
1
Pitt Koster
U18 Luxembourg (Euro U18 B)
1
Joshua Kramer
U18 Netherlands (Euro U18 B)
1
Kevin Lacey
DCU Saints (IRE-1)
1
John Lambert
Killester (IRE-1)
1
Denys Lukashov
U18 Ukraine (Euro U18 B)
1
Robert Lynch
UL Eagles (IRE-1)
1
Peder Madsen
Killester (IRE-1)
1
Dermot Madsen
DCU Saints (IRE-1)
1
Aldin Majstoric 1
Aleksandar Matijasevic
U18 Switzerland (Euro U18 B)
1
Zeljko Matijevic 1
Yann Mayor
U18 Switzerland (Euro U18 B)
1
Neal McCotter 1
Ewan McGrattan 1
Joseph McGuirk
DCU Saints (IRE-1)
1
Michael McKillop 1
Robert McMurrin 1
Ciaran McVeigh 1
Marko Milicevic
U18 Switzerland (Euro U18 B)
1
Patrick Niall Mullan 1
Mark Nagle
DCU Saints (IRE-1)
1
Josip Naletilic 1
Nemanja Nikolic 1
Laurent Nittler
U18 Luxembourg (Euro U18 B)
1
Andriy Novikov
U18 Ukraine (Euro U18 B)
1
Ruslan Otverchenko
U18 Ukraine (Euro U18 B)
1
Mark Paulauskas
UL Eagles (IRE-1)
1
Philip Perre 1
Ivan Polyezhayev
U18 Ukraine (Euro U18 B)
1
Martins Provizors
DCU Saints (IRE-1)
1
Eoin Quill
DCU Saints (IRE-1)
1
Florent Ramseier
U18 Switzerland (Euro U18 B)
1
Bobby Reidy
UL Eagles (IRE-1)
1
Stuart Robbins
UL Eagles (IRE-1)
1
Roger Rubsam
U18 Switzerland (Euro U18 B)
1
Ian Savoy
U18 Switzerland (Euro U18 B)
1
Gregory Schmit
U18 Luxembourg (Euro U18 B)
1
Laurent Schwartz
U18 Luxembourg (Euro U18 B)
1
Damian Sealy
Killester (IRE-1)
1
Jerome Semedo
U18 Luxembourg (Euro U18 B)
1
Danko Sestic 1
Olexiy Shchepkin
U18 Ukraine (Euro U18 B)
1
Anton Shestak
U18 Ukraine (Euro U18 B)
1
Denis Sirbegovic
U18 Netherlands (Euro U18 B)
1
Scott Summersgill 1
Oleksandr Tischenko
U18 Ukraine (Euro U18 B)
1
Ferghal Toner 1
Michael Trimmer
DCU Saints (IRE-1)
1
Jermaine Turner
Killester (IRE-1)
1
Stanislav Tymofeyenko
U18 Ukraine (Euro U18 B)
1
Bob Van Den Enden
U18 Netherlands (Euro U18 B)
1
Wouter Van Der Eng
U18 Netherlands (Euro U18 B)
1
Jeroen Van Der List
U18 Netherlands (Euro U18 B)
1
Jonas Van Der Poel
U18 Netherlands (Euro U18 B)
1
Christophe Varidel
U18 Switzerland (Euro U18 B)
1
Adrien Voltolini
U18 Switzerland (Euro U18 B)
1
Igor Vreca 1
Lucas Waldesbuehl
U18 Switzerland (Euro U18 B)
1
Jerome Westbrooks
Killester (IRE-1)
1
Frank Wiseler
U18 Luxembourg (Euro U18 B)
1
Glenn Wong
UL Eagles (IRE-1)
1
Ihor Zaytsev
U18 Ukraine (Euro U18 B)
1