Group 1 winner Big Rock (Fr) (Rock Of Gibraltar {Ire}) and 12 other Yeguada Centurion horses have transferred to the stable of Maurizio Guarnieri as of Thursday evening, Jour de Galop reported. The baker's dozen were formerly listed in training with Christopher Head. Speaking to the French publication, Head said, "I was notified Thursday morning of the departure of the horses for Maurizio Guarnieri's stable, with transport planned for the evening. I savored every minute spent with the Yeguada Centurion horses. I [will] only have good memories of this valuable...