Santa Anita Park announced Tuesday that it will remain closed for live racing through at least the weekend, prompting the postponement of the GI Santa Anita Derby and GII Santa Anita Oaks, which where scheduled for this Saturday, Apr. 4, to an undetermined date later in the meet. Racing was halted at Santa Anita last Friday on orders of the Los Angeles County Health Department, which has closed all businesses deemed non-essential in response to the COVID-19 pandemic. There have been no known cases of COVID-19 at Santa Anita Park...