The 2021 "Breeders' Cup Challenge Series: Win and You're In--presented by America's Best Racing" television schedule, consisting of 12 live programs featuring more than 20 automatic qualifying races and other major stakes from six of the nation's premier racetracks on the road to the Breeders' Cup World Championships, was announced by the Breeders' Cup and NBC Sports Wednesday. Now in its eighth year on NBC Sports, the series showcases the top horses as they vie for a coveted automatic berth, and free entry, into the 2021 Breeders' Cup World Championships,...