 He coped very well in the early stages of the championship, being described as 'soundness personified at full back'.However, he struggled at times in the Munster final against Michael Cussen of Cork and in the All-Ireland quarter-final against Vincent Corey of Monaghan.Nevertheless, the year ended well for O'Sullivan, as Kerry beat Cork by 3-13 to 1-9 in the All-Ireland Final