A field of 13 fillies is entered for Friday’s 137th running of the Kentucky Oaks. Joyful Victory is the early favorite, with odds of 5 -2. She’ll run from the first post position in the mile-and-one-eighth race with Mike Smith aboard.Kathmanblu and Zazu are co-second favorites at 4-1. They drew post positions four and six, respectively.Plum Pretty and Summer Soiree are both at 5- 1.The Run for the Lillies is at 5:45pm Friday.(Photo courtesy of www.kentuckyderby.com)