Irish apprentice jockey Shane Crosse, who was set to travel to Doncaster on Saturday to ride the Joseph O'Brien-trained Galileo Chrome (Ire) (Australia {GB}) in the G1 St Leger and State Of Rest (Ire) (Starspangledbanner {Aus}) in the G2 Champagne S., has tested positive for COVID-19 and has begun a 14-day isolation. Crosse has been asymptomatic and was tested as part of the protocol for traveling overseas to ride. Dr. Jennifer Pugh, the Irish Horse Racing Board's senior medical officer, said, "Shane was completely asymptomatic and was very surprised to...