 Taking part in Ireland's disappointing World Cricket League campaign in Kenya, O'Brien was one of the success stories.In their second game of the tournament, against Bermuda, O'Brien took his career best figures of 2 for 38 by taking the wickets of middle order batsmen David Hemp and Lionel Cann.In the chase he made 54, his maiden ODI half century and helped his side win with 8 balls to spare.