Cullen left frustrated as Leinster let lead slip

If you've achieved a hard-fought lead then jettisoning this advantage is not the best modus operandum. That thought will certainly be uppermost in the collective mindset of Leinster ahead of their match against Edinburgh at Murrayfield on Friday after the Dubliners experienced the pain of letting slip a 22-12 lead midway through the second half and ultimately losing 33-25.