Mahmoud Al Zarooni says he made 'a catastrophic error' after the BHA found traces of banned substances in 11 horses under his care at Newmarket, England. Caren Firouz / Reuters
Mahmoud Al Zarooni says he made 'a catastrophic error' after the BHA found traces of banned substances in 11 horses under his care at Newmarket, England. Caren Firouz / Reuters

Godolphin's Mahmoud Al Zarooni facing lengthy suspension over steroid scandal