Here's a more informative story from The Blood-Horse: "chronic bruising of the bottom of the cannon bone in all four fetlock joints." He could still make it back next year after 3 months rest. The story quotes noted veterinarian Dr. Larry Bramlage: "we bring horses back from this injury all the time. There are no structural problems and the prognosis is for a full recovery."
But stud fees beckon. The dismal economics of horse racing rears its ugly head again.
Smarty Jones' retirement is a reminder that the quest for success in horse racing, more often than in most sports, ends in disappointment. Oh well. Thanks, Smarty. You were sensational.