PHOTOS OF THE DAY

Jockey Craig Williams riding Hot Spin wins Race Two the Champagne Pommery Plate during Blue Daimond Stakes Day at Caulfield Racecourse on February 25, 2012 in Melbourne, Australia. (Mark Dadswell/Getty Images AsiaPac)

Jockey Craig Newitt riding Samaready celebrates as he wins Race Seven the Patinack Farm Blue Diamond Stakes during Blue Daimond Stakes Day at Caulfield Racecourse on February 25, 2012 in Melbourne, Australia. (Mark Dadswell/Getty Images AsiaPac)

Jockey Nash Rawiller riding King Mufthasa wins Race Five the Cathay Pacific Futurity Stakes during Blue Daimond Stakes Day at Caulfield Racecourse on February 25, 2012 in Melbourne, Australia. (Mark Dadswell/Getty Images AsiaPac)

X-rays taken Tuesday morning have revealed that Algorithms, undefeated winner of the Grade 3 Holy Bull, has a fractured splint in his right front leg that will have to be surgically removed.  After Algorithms vanquished Champion Hansen in the Fountain of Youth prep, he was a major player in the Kentucky Derby field. (AP Photo/ Gulfstream Park, Adam Coglianese)

Paddy Brennan riding Baby Mix (R) on their way to winning The Download William Hill From The App-Store Adonis Juvenile Hurdle Race at Kempton racecourse on February 25, 2012 in Sunbury, England. (Alan Crowhurst/Getty Images Europe)

Paddy Brennan riding Nacarat clear the last to win The Racing Plus Steeple Chase at Kempton racecourse on February 25, 2012 in Sunbury, England. (Alan Crowhurst/Getty Images Europe)