RIYADH, Saudi Arabia—Pegasus World Cup and Breeders' Cup Mile winner Knicks Go (Paynter) will jump from gate five in Saturday's $20 million Saudi Cup, with key rival Charlatan (Speightstown) also drawn well in nine. Splitting the two in gate seven is Tacitus (Tapit), one of two horses in the 14-runner field to be starting in the world's richest race for the second time. Commenting on the first international runner for the Brad Cox stable, the trainer's assistant and Knicks Go's track rider Dustin Dugas, said, "We like it, it's right...