Shortly after having the cast removed from his arm Mitchie decided to compete in the 2012 Summer X-Games Big Air Competition .
Shortly after having the cast removed from his arm Mitchie went on to land the first ever 900 in competition history securing him the silver medal .
Shortly after having the cast removed from his arm Mitchie decided to compete in the 2012 Summer X-Games Big Air Competition and went on to land the first ever 900 in competition history securing him the silver medal .