Gray urges Toulouse to usurp Leinster in battle of Champions Cup royalty

Scottish lock is ready for the Champions Cup semi-final between the competition’s only four-times winnersIn a battle between the two most successful sides in Champions Cup history Toulouse must not be too loose. French rugby’s aristocrats have relocated their joie de vivre this season but sometimes they get carried away.Last weekend offered an example. They eventually sealed their place in the Top 14 play-offs with four rounds to go but not before conceding 44 points to Clermont Auvergne in front of 32,000 spectators at Le Stadium who were treated to 10 tries in a match that was decided by the…