The owners of Kentucky Oaks (G1) entrant Meaning are thrilled to be back at Churchill Downs for the first weekend in May with another elite contender.

This article published initially by BloodHorse MarketWatch explores the influence of Mr. Prospector in the Kentucky Derby (G1) winners sired by multiple leading North American stallion Into Mischief, also the sire of three Derby starters this year.

Updates on Kentucky Derby (G1) and Kentucky Oaks (G1) runners from track media.

On the April 30 episode of BloodHorse at the Derby: Corbin Blumberg discusses Fulleffort's scratch, Whit Beckman on Ocelli drawing in, Alex Smallwood and Frank Angst share Derby analysis, and Mayor Craig Greenberg on the Derby's impact on Louisville.

Hawthorne Race Course canceled racing April 30 for lack of entries but drew a seven-race card for May 3 with an average field size of 6.7 horses.

Owner Hans Maron, who with his wife Ana campaigns horses as Saints or Sinners, is looking forward to watching his Santa Anita Derby (G1) winner So Happy run in the Kentucky Derby (G1) May 2 at Churchill Downs.

While a quick return to racing is expected, Bella Ballerina will be scratched from the Kentucky Oaks (G1) because of an ill-timed leg injury.

Fulleffort scratches from the Kentucky Derby (G1) because of a chipped ankle. This makes room for Ocelli to draw in off the also-eligible list.

Complete entries for the nine stakes races run May 2 at Churchill Downs.

In a submitted letter, Horseracing Integrity and Safety Authority CEO Lisa Lazarus addresses criticisms.