David O'Callaghan

DONCASTER, England--Clive Cox might not have a degree in mechanical engineering, but it's fair to say that there have been few better trainers than him over the years when it comes to masterminding the career trajectory of a 'Donny Rocket'. Think Harry Angel (Ire), the July Cup and Sprint Cup scorer bought by Cox for just £44,000 at the 2015 edition of the Goffs UK Doncaster Premier Yearling Sale, or the Prix de l'Abbaye heroine Gilt Edge Girl (GB) (Monsieur Bond {Ire}), his very first Group 1 winner who he'd...

Dark Angel (Ire) and Invincible Army (Ire) may not be the only exciting stallions at Yeomanstown Stud with David O'Callaghan outlining his hopes that Shaman (Ire) can lay down a marker at Goffs this week when some of the Group 2-winning son of Shamardal's first foals go through the ring. A colt foal by Shaman fetched €22,000 at the inaugural Tattersalls Ireland Sapphire Sale on Saturday and O'Callaghan thinks the best is yet to come from a sire who is due to have 22 foals go through the ring over...