Several major shifts in riding assignments were underway Friday morning after Umberto Rispoli and John Velazquez were not allowed to fly to Saudi Arabia due to a mixup in flight arrangements Wednesday and problems with COVID-19 restrictions Thursday. Ron Anderson, the agent for Velazquez and Rosario, said that Mickael Barzalona would ride Max Player (Honor Code), that William Buick would be aboard Tacitus (Tapit) in the Saudi Cup, and that Joel Rosario would ride New York Central (Tapit) in defense of his title in the Riyadh Dirt Sprint. In the...