Giteau was the star in their last title win .
This time Mitchell was the Aussie toast of Europe , and it gave Wallabies coach Michael Cheika a perfect reminder of his class on one of the biggest stages outside of Test rugby .
Giteau was the star in their last title win but this time Mitchell was the Aussie toast of Europe , and it gave Wallabies coach Michael Cheika a perfect reminder of his class on one of the biggest stages outside of Test rugby .