by Blood-Horse Staff Date Posted: June 24, 2007 Last Updated: June 27, 2007 Leg injury ends 11-1 racing career of international champion Invasor. Order Invasor Photos Photo: Coglianese Photos (edited press release) Shadwell Stable's reigning Horse of the Year Invasor suffered a career-ending injury to his right hind ankle and has been retired from racing following his last major work in p