Niall O'Brien was bowled by Mohammad Amir for 18 © Sportsfile/Getty Images

Niall O'Brien was almost run out for a pair © Sportsfile/Getty Images

Mohammad Abbas bagged Niall O'Brien for a duck © Sportsfile/Getty Images

Niall O'Brien stretches out for a sweep © ICC/Getty Images

Niall O'Brien rides the bounce to slash a short delivery through point © IDI via Getty Images

Niall O'Brien struck up a solid partnership with Ed Joyce © AFP

Niall O'Brien's maiden ODI century was ended by a stumping © Getty Images/Sportsfile

Niall O'Brien helped steady Ireland's chase © Getty Images/Sportsfile

Niall O'Brien and Imrul Kayes share a lighter moment before the start of play © Getty Images/Sportsfile

Touch wood: Eoin Morgan and Niall O'Brien inspect the timbers © Getty Images

Eoin Morgan acknowledges his fifty © Getty Images

Eoin Morgan had a bit of luck when the ball rolled back into his stumps but the bails stayed intact © Getty Images

Craig Young and Niall O'Brien enjoy a lighter moment © Getty Images

Mohammad Shahzad celebrates after Niall O'Brien loses his off stump © Associated Press

Sarfraz Ahmed completes the stumping of Niall O'Brien © AFP

Niall O'Brien's 93 enable Leicestershire close in on Glamorgan's score © Getty Images

Niall O'Brien whips off the bails to have Wesley Barresi stumped © ICC/Getty Images

Soumya Sarkar is stumped by Niall O'Brien © International Cricket Council