The 2020 Derby winner Serpentine (Ire) has been retired from racing, part-owner Nick Williams confirmed to Racing.com on Thursday. The son of Galileo (Ire) was a 25-1 shot when providing trainer Aidan O'Brien with a record eighth Derby win, having gained his first career victory in a maiden at the Curragh only seven days earlier. His pillar-to-post success at Epsom, when beating Khalifa Sat (Ire) (Free Eagle {Ire}) by five and a half lengths, was also achieved in the midst of the Covid-19 pandemic, causing the Classic to be run...