AJ Rosen's luge legacy is ensuring Rupert Staudinger's Winter Olympic fires are burning brighter than ever.The Bath-based 24-year-old is attending his second Games, has consistently improved ahead of Beijing 2022 is heading to the most significant event of his career so far. But that's not what is fuelling Staudinger ahead of the highlight of the luge calendar next month. Staudinger — born in Berchtesgaden in Bavaria to a British mother and German father — is being motivated by the memory of his friend, mentor and three-time Olympian AJ Rosen, who competed alongside him in Team GB colours at PyeongChang 2018.