The connections of Jasper Prince (Violence) and Pingxiang (Speightstown) confirmed Thursday morning that the runners will compete in the GI Big Ass Fans Breeders' Cup Dirt Mile Nov. 6 instead of the G1 Qatar Racing Breeders' Cup Sprint. Both Jasper Prince, owned by Kazuo Kato, and Pingxiang, owned by Naoya Fuji, are trained by Hideyuki Mori. The Dirt Mile was the first preference of both at pre-entry. It was also announced Thursday that four horses are not traveling to Del Mar for next weekend's World Championships. La Joconde (Ire) (Frankel...