Michelle Payne, who became a global sensation when partnering 100-1 outsider Prince Of Penzance (NZ) (Pentire {GB}) to a memorable triumph in the 2015 Melbourne Cup, has officially retired from the saddle. A winner of 772 races throughout her career, Payne will now switch her attention to training winners rather than riding them. "I've handed in my license so that's it for me," Payne told justhorseracing.com.au. "It was a tough decision to come to and obviously took a lot of time to decide on. But I've achieved my biggest dream...