Horse Racing News by Steve Andersen

Premier Pegasus, the early morning-line favorite in Saturday's Santa Anita Derby before being sidelined on Thursday because of a hairline fracture in the cannon bone of his left foreleg, underwent surgery to stabilize the injury on Friday.

Premier Pegasus, the winner of the Grade 2 San Felipe Stakes last month, will miss Saturday's Santa Anita Derby because of a hairline fracture in the cannon bone of his left foreleg, according to Maria Ayala, the assistant to owner-trainer Myung Kwon Cho.

A 5-year-old gelding, Amazombie won his first graded stakes on dirt in Sunday's $150,000 Potrero Grande Stakes at Santa Anita.

Leading trainer Bob Baffert nearly completed a sweep of the first three positions of Saturday's $100,000 Las Flores Stakes at Santa Anita, finishing first and second with Gilded Gem and Subsidized and fourth with Mother Ruth.

With or without Jaycito, the $1 million Santa Anita Derby on April 9 is likely to have a large field.

Santa Anita will not run the final three Wednesdays of the winter-spring meeting, beginning this week, due to a shortage of available horses, the track announced Sunday.

An hour after he was involved in a one-horse spill, jockey Martin Pedroza won his first graded stakes since July when Worth Repeating held off a late threat from Honour the Deputy in Saturday's $100,000 Tokyo City Cup at Santa Anita.

Victoire Pisa pulled an upset in Saturday's $10 million Dubai World Cup after jockey Mirco Demuro made a bold move to challenge for the lead about five furlongs from the finish.

Bound for the winner's circle after Juniper Pass's hard-fought victory in Sunday's $150,000 San Luis Rey Stakes, owner Robert Irvin was understandably full of enthusiasm.

Malibu Pier shrugged off a threat from Lilly Fa Pootz to win Saturday's $150,000 Santa Ana Stakes at Santa Anita.