 During the 2007–08 Heineken Cup, Stringer lost his place in the Munster team to Tomás O'Leary.He was on the bench for Munster's 16–13 win over Toulouse in the 2008 Heineken Cup Final, but did not come on.He was part of the Munster team that won the 2008–09 Celtic League, and was on the bench when Munster won the 2011 Celtic League Grand Final, beating rivals and newly crowned Heineken Cup Champions Leinster 19–9 in Thomond Park.