Horse racing-Nyquist wins Kentucky Derby
May 7 (Reuters) - Favourite Nyquist won the 142nd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky on Saturday. Exaggerator finished second, according to unofficial results, in the the first leg of U.S. thoroughbred racing's Triple Crown series for 3-year-olds. (Reporting by Larry Fine in New York; Editing by Steve Keating)