Here's why your 2015 Kentucky Derby pick shouldn't include any of the favorites

Saturday's Kentucky Derby at Churchill Downs has a field of 20, but oddsmakers are insisting this is a two-horse race between favorite American Pharoah (5-2 odds) and second choice Dortmund (3-1 odds), both trained by the distinguished Bob Baffert. However, Storm Cat in their pedigree suggests not to waste any money on either of them.