sentences:  His 28 points in that match makes him the second-highest scorer in one game in Heineken Cup history.Sexton stated that his career-defining performance was dedicated to his late grandfather, John Sexton – the hugely popular Listowel businessman who had died a few months earlier.However, Sexton and Leinster could not snatch the first Heineken Cup and Celtic League double that season, with the club losing to Munster in the 2011 Celtic League Final.