Warren Gatland gears up for grandest of send-offs but Wales must raise game

Coach can celebrate Cardiff farewell with a third grand slam but his side will need to improve significantly on the error-strewn display against Scotland if they are to see off IrelandWales will not linger over this latest victory, it was not one they will dwell on once they are done talking about what they did wrong. “We just got away with it,” said the wing George North afterwards. The 13th win in their record-breaking streak left them feeling like “there is plenty to work on”. They had made too many handling errors, and conceded too many penalties and turnovers. “But sometimes winning is wi…