List of contenders for the 2012 Kentucky Derby on May 5 at Churchill Downs, ranked by graded stakes earnings. The Kentucky Derby field is limited to 20 horses; if more than 20 enter, the entries are determined by the amount of graded stakes earnings each horse has accumulated. [MORE: Derby Watch Top 20 Contenders] [MORE: Road to the 2012 Kentucky Derby] [MORE: Kentucky Derby News] 2012 Kentucky Derby contenders ranked by graded stakes earnings Rank Horse Trainer Earnings 1 Hansen Michael Maker $1,550,000 2 Daddy Long Legs Aidan O'Brien $1,294,030 3 Union Rags Michael Matz $1,170,000 4 Dullahan Dale Romans $855,000 5 Creative Cause Mike Harrington $836,000 6 Gemologist Todd Pletcher $703,855 7 Sabercat Steve Asmussen $701,429 8 Take Charge Indy Patrick Byrne $698,400 9 Bodemeister Bob Baffert $660,000 10 I'll Have Another Doug O'Neill $601,000 11 Daddy Nose Best Steve Asmussen $545,558 12 Liaison Bob Baffert $393,000 13 Alpha Kiaran McLaughlin $380,000 14 Prospective Mark Casse $367,327 15 Trinniberg Bisnath Parboo $324,500 16 Done Talking Hamilton Smith $311,000 17 Went the Day Well Graham Motion $282,000 18 Rousing Sermon Jerry Hollendorfer $270,000 19 El Padrino Todd Pletcher $250,000 20 Optimizer D. Wayne Lukas $184,708 21 Castaway Bob Baffert $162,000 22 Currency Swap Teresa Pompay $150,000 22 The Lumber Guy Michael Hushion $150,000 24 Hierro Steve Asmussen $141,886 25 My Adonis Kelly Breen $140,000 26 Brother Francis James Cassidy $135,000 27 All Squared Away* Wesley Ward $129,400 28 Battle Hardened Eddie Kenneally $127,000 29 Genten Yoshito Yahagi $123,826 30 Stirred Up Bob Baffert $116,000 * Not nominated to Triple Crown. Would require $200,000 supplement and could not get into the Derby field ahead of any original or late nominee.