Racing Post Atzeni Renewal? Remarkably the last 4 renewals of the Racing Post Trophy have seen Andrea Atzeni saddle the winner. Atzeni is due to ride Martyn Meade’s Chilean. He is currently available ate a general 12/1. It will be very hard to see him winning 5 in a row with Aiden O’Brien likely to have the top 2 in the market. O’Brien Racing Post Trophy to Break Group 1 Record? Saxon Warrior comes into the race with a 100% record.