 The "Daily Racing Form" version was open to any horse, three years old and up and this award was given to some Champions at the age of three, such as Citation, Buckpasser, Damascus and Arts and Letters.Champions from 1887 through 1935 were selected retrospectively by a panel of experts as published by "The Blood-Horse magazine".In 2015, the "Daily Racing Form", the Thoroughbred Racing Associations, and the National Turf Writers Association decided that the award would be renamed and awarded to older horses proficient in dirt and main track races.