Ballydoyle's form in the Classic trials maintained its formidable momentum on Saturday with a one-two in the Listed Lingfield Derby Trial. At the line, the 4-5 favourite and Ryan Moore's pick Puppet Master had a short head to spare over Stay True in the extended 11-furlong contest, with neither stablemate giving an inch. Camelot's Puppet Master, who had been fourth in the G2 Royal Lodge Stakes and in the G3 Ballysax Stakes on his return, had been forced to battle his way past Stay True, one of the last crop...