Jan. 15 – Big Drama scores by four lengths in the Mr. Prospector, earning a 120 Beyer that would hold as the year’s highest speed figure. March 26 – Victoire Pisa upsets the $10 million Dubai World Cup, becoming the first Japan-based horse to win the race. April 21 – Jess Jackson, owner of the Stonestreet Stables that campaigned Curlin and Rachel Alexandra, dies at 81. April 26 – Citing stress, Tom Durkin steps down as announcer of the Triple Crown and is replaced by Larry Collmus. May 7 – Animal Kingdom wins the Kentucky Derby under John Velazquez, who picked up the mount after losing his ride on the injured Uncle Mo. May 10 – Jockey Michael Baze is found dead of an accidental drug overdose. He was 24. May 31 – Zenyatta, the 2010 Horse of the Year, is pronounced in foal after being covered by Bernardini. Four-Footed FotosCape Blanco wins the Million.Aug. 13 – Cape Blanco wins the Arlington Million, the second of her three successful invasions on the year in Grade 1 races in the U.S. Sept. 3 – Havre de Grace defeats Flat Out by 1 1/4 lengths in the Woodward, joining Rachel Alexandra as the only females to win the race. Oct. 28 – Resorts World Casino, New York City’s first casino, opens by Aqueduct, 10 years after it was approved by the state legislature. Nov. 5 – Drosselmeyer rallies past Game On Dude to upset the BC Classic, giving jockey Mike Smith his record-tying 15th Breeders’ Cup victory. Nov. 8 – Four days after winning the Ladies’ Classic, Royal Delta is sold for $8.5 million at the Keeneland November breeding stock sale, a Keeneland record for a horse in training. Nov. 16 – Trainer Richard Dutrow Jr. receives a stay of a 10-year suspension handed down in October by the New York State Racing and Wagering Board. Nov. 18 – On his 46th birthday, trainer Steve Asmussen reaches 6,000 victories when Basalt wins the first race at Remington Park. Nov. 22 – Rapid Redux wins his 20th straight race, breaking the modern North American record for most consecutive wins previously held by Zenyatta and Peppers Pride.