The Breeders' Cup launches the $10K Derby Spin to Win, a new fan contest. Now live via BreedersCup.com/derby, the digital campaign grants fans the chance to win $10,000. Open now until 7:00 p.m. Sept. 5, the contest invites fans to spin a digital wheel that assigns them a horse running in the Kentucky Derby. After the drawing, fans are encouraged to watch the race on NBC this Saturday to see if their assigned horse is the winner. Entrants whose horse wins will then be entered into a pool from which...