http://cs.bloodhorse.com/blogs/horse-racing-steve-haskin/archive/2017/05/01/the-derby-past-vs-present-no-contest.aspxRacing fans who were not around before the 1980s may find it difficult to appreciate just how much the dynamics of the Kentucky Derby have changed since then and how much more difficult the race is to win since they incorporated the graded earnings andenCommunityServer 2007.1 (Build: 20917.1142)