Andrey Borodin, the billionaire patron of Park Place Polo, wears the No. The top polo players are household names; those who venture into the international polo circuit are known as “hired assassins.” Nearly every top-ranked polo player is from Argentina, and so are the sport’s best horses. Polo players are assigned a rating that corresponds to their skill. Photograph: Gabriella Angotti-JonesIn the mid-2010s, just as Cambiaso was trying out his first clones on the polo field, a new patron emerged on the US polo scene. From almost nothing, Borodin was building Park Place into a formidable new force in elite polo, largely with the sheer power of his fortune.