Horse Racing News by Bloodhorse

Aubby K tracked the pace set by Jamaican Smoke, then pulled away down the lane to take the $345,600 Humana Distaff on the Kentucky Derby Day undercard May 4 at Churchill Downs.

Hall of Fame jockey John Velazquez, who will ride undefeated Wood Memorial winner Verrazano in the May 4 Kentucky Derby, returned to competition the afternoon of May 2 at Belmont Park, where he finished seventh on his first mount since April 7.

Rumor, victorious in the Las Flores Stakes March 10, has been installed the 5-2 favorite in a field of nine fillies and mares entered in the $300,000 Humana Distaff Stakes at Churchill Downs May 4.

Following a review by track officials, the Charles Town Board of Stewards, and Equibase, the official fractions and final time for the $1,500,000 Charles Town Classic have been amended.

Trainer Bob Baffert has confirmed Super Ninety Nine and Den's Legacy are no longer under consideration for the $2 million Kentucky Derby May 4 at Churchill Downs.

Churchill Downs will strengthen security and expand screenings for patrons, employees, and vendors who will enter the track for the Kentucky Derby May 4, and for the Kentucky Oaks a day earlier.

WinStar Farm, which teamed with jockey Calvin Borel to win the 2010 Kentucky Derby with Super Saver, will call on the three-time Derby winner again this year.

Hall of Fame jockey John Velazquez sustained a slight fracture of his first rib on the right side and a small bone chip near his right wrist as the result of a spill in the seventh race at Aqueduct Racetrack April 7, according to his valet, Tony Millan.

Shanghai Bobby is no longer being considered for the Kentucky Derby or the Triple Crown races following his fifth-place finish in the Florida Derby March 30 at Gulfstream Park.

Zenyatta, the 2010 Horse of the Year, produced her second foal on her birthday April 1, Team Zenyatta confirmed via Twitter. The popular mare foaled a colt by top sire Tapit at 11:47 p.m. EDT at Lane's End Farm near Lexington.