Byline: CHRIS JONES
CATALANS DRAGONS say their historic appearance at Wembley on Saturdayfor the Carnegie Challenge Cup Final has already revitalised rugby league inFrance.
But one of their former players is predicting even bigger things for the sportin his homeland if they can pull off a shock triumph.
Victory over red-hot favourites St Helens would see the trophy leave Englandfor the first time in the competition's 110-year history.
And it would provide the perfect boost for the sport in a rugby union madcountry, which is just two weeks away from staging the 15-man code's World Cup.
French international Julien Rinaldi spent three years …