Kentucky Derby winner Barbaro was euthanized on Jan. 29, 2007, at New Bolton Center at the University of Pennsylvania after a battle with laminitis watched around the world. He was 4.

The dark bay colt had white socks in front and a star and snip.

Barbaro won the Derby by 6 1/2 lengths in a romp with Edgar Prado aboard in May 2006.

He shattered three bones in his right hind leg in the Preakness, leading many to wonder if he’d survive the initial injury.

Dr. Dean Richardson of New Bolton Center was able to rebuild the right leg only to see the left hind foot develop laminitis in July 2006.

Barbaro’s early recovery from laminitis looked promising. However, after he developed an abscess in his right hind foot and laminitis in both front feet, owners Roy and Gretchen Jackson, along with Richardson, made the decision to euthanize him.

Barbaro was born April 29, 2003, at Sanborn Chase farm near Nicholasville, Ky., and owned by Roy and Gretchen Jackon’s Lael Stables of West Grove, Penn. He was by Dynaformer out of La Ville Rouge.

He earned $2,302,200 in his career. He was trained by Michael Matz.